Home / 2,398.20-3,591.76-2,358.10

Finding the Fourth Proportional to 2,398.20, 3,591.76 and 2,358.10

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Solution

The fourth proportional to 2,398.20, 3,591.76 and 2,358.10 is: 3,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.20 : 3,591.76 = 2,358.10 : x
  2. Step 2: Convert to fraction form
    2,398.20/3,591.76 = 2,358.10/x
  3. Step 3: Cross multiply
    2,398.20x = 3,591.76 × 2,358.10
  4. Step 4: Simplify right side
    2,398.20x = 8,469,729.26
  5. Step 5: Solve for x
    x = 8,469,729.26/2,398.20
  6. Step 6: Final answer
    x = 3,531.70

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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.