Home / 2,397.50-3,308.45-1,402.87

Finding the Fourth Proportional to 2,397.50, 3,308.45 and 1,402.87

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Solution

The fourth proportional to 2,397.50, 3,308.45 and 1,402.87 is: 1,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.50 : 3,308.45 = 1,402.87 : x
  2. Step 2: Convert to fraction form
    2,397.50/3,308.45 = 1,402.87/x
  3. Step 3: Cross multiply
    2,397.50x = 3,308.45 × 1,402.87
  4. Step 4: Simplify right side
    2,397.50x = 4,641,316.17
  5. Step 5: Solve for x
    x = 4,641,316.17/2,397.50
  6. Step 6: Final answer
    x = 1,935.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.