Home / 3,171.61-4,375.83-2,052.55

Finding the Fourth Proportional to 3,171.61, 4,375.83 and 2,052.55

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Solution

The fourth proportional to 3,171.61, 4,375.83 and 2,052.55 is: 2,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.61 : 4,375.83 = 2,052.55 : x
  2. Step 2: Convert to fraction form
    3,171.61/4,375.83 = 2,052.55/x
  3. Step 3: Cross multiply
    3,171.61x = 4,375.83 × 2,052.55
  4. Step 4: Simplify right side
    3,171.61x = 8,981,609.87
  5. Step 5: Solve for x
    x = 8,981,609.87/3,171.61
  6. Step 6: Final answer
    x = 2,831.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.