Home / 3,753.83-5,176.92-3,126.44

Finding the Fourth Proportional to 3,753.83, 5,176.92 and 3,126.44

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Solution

The fourth proportional to 3,753.83, 5,176.92 and 3,126.44 is: 4,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.83 : 5,176.92 = 3,126.44 : x
  2. Step 2: Convert to fraction form
    3,753.83/5,176.92 = 3,126.44/x
  3. Step 3: Cross multiply
    3,753.83x = 5,176.92 × 3,126.44
  4. Step 4: Simplify right side
    3,753.83x = 16,185,329.76
  5. Step 5: Solve for x
    x = 16,185,329.76/3,753.83
  6. Step 6: Final answer
    x = 4,311.68

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1.5x scale

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.