Home / 3,729.25-5,591.05-3,215.30

Finding the Fourth Proportional to 3,729.25, 5,591.05 and 3,215.30

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Solution

The fourth proportional to 3,729.25, 5,591.05 and 3,215.30 is: 4,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.25 : 5,591.05 = 3,215.30 : x
  2. Step 2: Convert to fraction form
    3,729.25/5,591.05 = 3,215.30/x
  3. Step 3: Cross multiply
    3,729.25x = 5,591.05 × 3,215.30
  4. Step 4: Simplify right side
    3,729.25x = 17,976,909.00
  5. Step 5: Solve for x
    x = 17,976,909.00/3,729.25
  6. Step 6: Final answer
    x = 4,820.52

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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.