1:4✔
2 to 8✖
41 ✖
12 to 3 ✖
1872 ✖
✖ = not correct
✔ = correct
▶So, step 1: We have to divide by the number 9 to find the result of the equivalent ratio.
▶This is what I am saying in other words ⬇
9 ÷ 9 ➡1
36 ÷ 9 ➡4
Anyhow, the answer for the question would have to be option A. 1:4
Good luck!