Home / 3,972.20-5,959.20-1,375.13

Finding the Fourth Proportional to 3,972.20, 5,959.20 and 1,375.13

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Solution

The fourth proportional to 3,972.20, 5,959.20 and 1,375.13 is: 2,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.20 : 5,959.20 = 1,375.13 : x
  2. Step 2: Convert to fraction form
    3,972.20/5,959.20 = 1,375.13/x
  3. Step 3: Cross multiply
    3,972.20x = 5,959.20 × 1,375.13
  4. Step 4: Simplify right side
    3,972.20x = 8,194,644.90
  5. Step 5: Solve for x
    x = 8,194,644.90/3,972.20
  6. Step 6: Final answer
    x = 2,063.00

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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.