Home / 3,331.92-4,997.12-1,384.72

Finding the Fourth Proportional to 3,331.92, 4,997.12 and 1,384.72

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Solution

The fourth proportional to 3,331.92, 4,997.12 and 1,384.72 is: 2,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.92 : 4,997.12 = 1,384.72 : x
  2. Step 2: Convert to fraction form
    3,331.92/4,997.12 = 1,384.72/x
  3. Step 3: Cross multiply
    3,331.92x = 4,997.12 × 1,384.72
  4. Step 4: Simplify right side
    3,331.92x = 6,919,612.01
  5. Step 5: Solve for x
    x = 6,919,612.01/3,331.92
  6. Step 6: Final answer
    x = 2,076.76

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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.