Home / 3,387.13-5,088.50-2,402.39

Finding the Fourth Proportional to 3,387.13, 5,088.50 and 2,402.39

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Solution

The fourth proportional to 3,387.13, 5,088.50 and 2,402.39 is: 3,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.13 : 5,088.50 = 2,402.39 : x
  2. Step 2: Convert to fraction form
    3,387.13/5,088.50 = 2,402.39/x
  3. Step 3: Cross multiply
    3,387.13x = 5,088.50 × 2,402.39
  4. Step 4: Simplify right side
    3,387.13x = 12,224,584.75
  5. Step 5: Solve for x
    x = 12,224,584.75/3,387.13
  6. Step 6: Final answer
    x = 3,609.12

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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.