Finding the Fourth Proportional to 2,318.30, 3,476.58 and 757.94
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Solution
The fourth proportional to 2,318.30, 3,476.58 and 757.94 is: 1,136.63
Step by Step Solution
- Step 1: Write the proportion equation
2,318.30 : 3,476.58 = 757.94 : x - Step 2: Convert to fraction form
2,318.30/3,476.58 = 757.94/x - Step 3: Cross multiply
2,318.30x = 3,476.58 × 757.94 - Step 4: Simplify right side
2,318.30x = 2,635,039.05 - Step 5: Solve for x
x = 2,635,039.05/2,318.30 - Step 6: Final answer
x = 1,136.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.