Home / 3,877.50-5,351.85-2,306.52

Finding the Fourth Proportional to 3,877.50, 5,351.85 and 2,306.52

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Solution

The fourth proportional to 3,877.50, 5,351.85 and 2,306.52 is: 3,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.50 : 5,351.85 = 2,306.52 : x
  2. Step 2: Convert to fraction form
    3,877.50/5,351.85 = 2,306.52/x
  3. Step 3: Cross multiply
    3,877.50x = 5,351.85 × 2,306.52
  4. Step 4: Simplify right side
    3,877.50x = 12,344,149.06
  5. Step 5: Solve for x
    x = 12,344,149.06/3,877.50
  6. Step 6: Final answer
    x = 3,183.53

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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.