If the equations $x^2 + 2x + 3 = 0$ and $ax^2+ bx + c = 0, a, b, c \in R,$ have a common root, then $a : b : c$ is

Question

$\begin{array}{1 1} (1) 1:2:3\\ (2) 3:2:1 \\ (3) 1:3:2 \\ (4) 3:1:2 \end {array}$