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Finding the Fourth Proportional to 3,714.32, 5,571.54 and 1,766.13

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Solution

The fourth proportional to 3,714.32, 5,571.54 and 1,766.13 is: 2,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.32 : 5,571.54 = 1,766.13 : x
  2. Step 2: Convert to fraction form
    3,714.32/5,571.54 = 1,766.13/x
  3. Step 3: Cross multiply
    3,714.32x = 5,571.54 × 1,766.13
  4. Step 4: Simplify right side
    3,714.32x = 9,840,063.94
  5. Step 5: Solve for x
    x = 9,840,063.94/3,714.32
  6. Step 6: Final answer
    x = 2,649.23

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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.