Home / 2,399.26-3,599.33-938.32

Finding the Fourth Proportional to 2,399.26, 3,599.33 and 938.32

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Solution

The fourth proportional to 2,399.26, 3,599.33 and 938.32 is: 1,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.26 : 3,599.33 = 938.32 : x
  2. Step 2: Convert to fraction form
    2,399.26/3,599.33 = 938.32/x
  3. Step 3: Cross multiply
    2,399.26x = 3,599.33 × 938.32
  4. Step 4: Simplify right side
    2,399.26x = 3,377,323.33
  5. Step 5: Solve for x
    x = 3,377,323.33/2,399.26
  6. Step 6: Final answer
    x = 1,407.65

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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.