Home / 3,847.43-5,767.61-2,089.87

Finding the Fourth Proportional to 3,847.43, 5,767.61 and 2,089.87

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Solution

The fourth proportional to 3,847.43, 5,767.61 and 2,089.87 is: 3,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.43 : 5,767.61 = 2,089.87 : x
  2. Step 2: Convert to fraction form
    3,847.43/5,767.61 = 2,089.87/x
  3. Step 3: Cross multiply
    3,847.43x = 5,767.61 × 2,089.87
  4. Step 4: Simplify right side
    3,847.43x = 12,053,530.24
  5. Step 5: Solve for x
    x = 12,053,530.24/3,847.43
  6. Step 6: Final answer
    x = 3,132.88

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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.