Finding the Fourth Proportional to 2,092.18, 3,137.06 and 630.90
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Solution
The fourth proportional to 2,092.18, 3,137.06 and 630.90 is: 945.99
Step by Step Solution
- Step 1: Write the proportion equation
2,092.18 : 3,137.06 = 630.90 : x - Step 2: Convert to fraction form
2,092.18/3,137.06 = 630.90/x - Step 3: Cross multiply
2,092.18x = 3,137.06 × 630.90 - Step 4: Simplify right side
2,092.18x = 1,979,171.15 - Step 5: Solve for x
x = 1,979,171.15/2,092.18 - Step 6: Final answer
x = 945.99
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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.