Finding the Fourth Proportional to 1,327.62, 1,832.04 and 738.09
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Solution
The fourth proportional to 1,327.62, 1,832.04 and 738.09 is: 1,018.52
Step by Step Solution
- Step 1: Write the proportion equation
1,327.62 : 1,832.04 = 738.09 : x - Step 2: Convert to fraction form
1,327.62/1,832.04 = 738.09/x - Step 3: Cross multiply
1,327.62x = 1,832.04 × 738.09 - Step 4: Simplify right side
1,327.62x = 1,352,210.40 - Step 5: Solve for x
x = 1,352,210.40/1,327.62 - Step 6: Final answer
x = 1,018.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.