Home / 3,701.92-5,560.16-3,181.76

Finding the Fourth Proportional to 3,701.92, 5,560.16 and 3,181.76

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Solution

The fourth proportional to 3,701.92, 5,560.16 and 3,181.76 is: 4,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.92 : 5,560.16 = 3,181.76 : x
  2. Step 2: Convert to fraction form
    3,701.92/5,560.16 = 3,181.76/x
  3. Step 3: Cross multiply
    3,701.92x = 5,560.16 × 3,181.76
  4. Step 4: Simplify right side
    3,701.92x = 17,691,094.68
  5. Step 5: Solve for x
    x = 17,691,094.68/3,701.92
  6. Step 6: Final answer
    x = 4,778.90

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1.5x scale

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.