Home / 3,753.96-5,180.08-2,181.92

Finding the Fourth Proportional to 3,753.96, 5,180.08 and 2,181.92

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Solution

The fourth proportional to 3,753.96, 5,180.08 and 2,181.92 is: 3,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.96 : 5,180.08 = 2,181.92 : x
  2. Step 2: Convert to fraction form
    3,753.96/5,180.08 = 2,181.92/x
  3. Step 3: Cross multiply
    3,753.96x = 5,180.08 × 2,181.92
  4. Step 4: Simplify right side
    3,753.96x = 11,302,520.15
  5. Step 5: Solve for x
    x = 11,302,520.15/3,753.96
  6. Step 6: Final answer
    x = 3,010.83

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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.