If p, m, I and k are in a proportion such that the first term is four times the fourth term and the third term is half of the fourth term then find the ratio between second and fourth term.

If p, m, I and k are in a proportion such that the first term is four

1.	If p, m, I and k are in a proportion such that the first term is four times the fourth term and the third term is half of the fourth term then find the ratio between second and fourth term.
A.	\[8:1\]
B.	\[2:1\]
C.	\[4:1\]
D.	\[1:4\]
E.	None of these
Answer» B. \[2:1\]