Finding the Fourth Proportional to 2,134.10, 3,200.67 and 672.99
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Solution
The fourth proportional to 2,134.10, 3,200.67 and 672.99 is: 1,009.34
Step by Step Solution
- Step 1: Write the proportion equation
2,134.10 : 3,200.67 = 672.99 : x - Step 2: Convert to fraction form
2,134.10/3,200.67 = 672.99/x - Step 3: Cross multiply
2,134.10x = 3,200.67 × 672.99 - Step 4: Simplify right side
2,134.10x = 2,154,018.90 - Step 5: Solve for x
x = 2,154,018.90/2,134.10 - Step 6: Final answer
x = 1,009.34
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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.