Home / 3,808.38-5,711.88-2,052.56

Finding the Fourth Proportional to 3,808.38, 5,711.88 and 2,052.56

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Solution

The fourth proportional to 3,808.38, 5,711.88 and 2,052.56 is: 3,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.38 : 5,711.88 = 2,052.56 : x
  2. Step 2: Convert to fraction form
    3,808.38/5,711.88 = 2,052.56/x
  3. Step 3: Cross multiply
    3,808.38x = 5,711.88 × 2,052.56
  4. Step 4: Simplify right side
    3,808.38x = 11,723,976.41
  5. Step 5: Solve for x
    x = 11,723,976.41/3,808.38
  6. Step 6: Final answer
    x = 3,078.47

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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.