Home / 2,399.11-3,600.29-938.08

Finding the Fourth Proportional to 2,399.11, 3,600.29 and 938.08

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Solution

The fourth proportional to 2,399.11, 3,600.29 and 938.08 is: 1,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.11 : 3,600.29 = 938.08 : x
  2. Step 2: Convert to fraction form
    2,399.11/3,600.29 = 938.08/x
  3. Step 3: Cross multiply
    2,399.11x = 3,600.29 × 938.08
  4. Step 4: Simplify right side
    2,399.11x = 3,377,360.04
  5. Step 5: Solve for x
    x = 3,377,360.04/2,399.11
  6. Step 6: Final answer
    x = 1,407.76

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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.