Home / 3,939.62-5,906.23-1,474.08

Finding the Fourth Proportional to 3,939.62, 5,906.23 and 1,474.08

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Solution

The fourth proportional to 3,939.62, 5,906.23 and 1,474.08 is: 2,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.62 : 5,906.23 = 1,474.08 : x
  2. Step 2: Convert to fraction form
    3,939.62/5,906.23 = 1,474.08/x
  3. Step 3: Cross multiply
    3,939.62x = 5,906.23 × 1,474.08
  4. Step 4: Simplify right side
    3,939.62x = 8,706,229.67
  5. Step 5: Solve for x
    x = 8,706,229.67/3,939.62
  6. Step 6: Final answer
    x = 2,209.92

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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.