Home / 3,487.96-5,229.78-1,637.92

Finding the Fourth Proportional to 3,487.96, 5,229.78 and 1,637.92

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Solution

The fourth proportional to 3,487.96, 5,229.78 and 1,637.92 is: 2,455.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.96 : 5,229.78 = 1,637.92 : x
  2. Step 2: Convert to fraction form
    3,487.96/5,229.78 = 1,637.92/x
  3. Step 3: Cross multiply
    3,487.96x = 5,229.78 × 1,637.92
  4. Step 4: Simplify right side
    3,487.96x = 8,565,961.26
  5. Step 5: Solve for x
    x = 8,565,961.26/3,487.96
  6. Step 6: Final answer
    x = 2,455.87

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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.