Finding the Fourth Proportional to 2,600.48, 3,900.72 and 956.99
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Solution
The fourth proportional to 2,600.48, 3,900.72 and 956.99 is: 1,435.49
Step by Step Solution
- Step 1: Write the proportion equation
2,600.48 : 3,900.72 = 956.99 : x - Step 2: Convert to fraction form
2,600.48/3,900.72 = 956.99/x - Step 3: Cross multiply
2,600.48x = 3,900.72 × 956.99 - Step 4: Simplify right side
2,600.48x = 3,732,950.03 - Step 5: Solve for x
x = 3,732,950.03/2,600.48 - Step 6: Final answer
x = 1,435.49
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Similar ratio
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1.5x scale
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.