Home / 3,839.86-5,760.05-1,305.92

Finding the Fourth Proportional to 3,839.86, 5,760.05 and 1,305.92

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Solution

The fourth proportional to 3,839.86, 5,760.05 and 1,305.92 is: 1,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.86 : 5,760.05 = 1,305.92 : x
  2. Step 2: Convert to fraction form
    3,839.86/5,760.05 = 1,305.92/x
  3. Step 3: Cross multiply
    3,839.86x = 5,760.05 × 1,305.92
  4. Step 4: Simplify right side
    3,839.86x = 7,522,177.88
  5. Step 5: Solve for x
    x = 7,522,177.88/3,839.86
  6. Step 6: Final answer
    x = 1,958.97

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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.