Home / 3,331.20-5,002.72-3,161.04

Finding the Fourth Proportional to 3,331.20, 5,002.72 and 3,161.04

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Solution

The fourth proportional to 3,331.20, 5,002.72 and 3,161.04 is: 4,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.20 : 5,002.72 = 3,161.04 : x
  2. Step 2: Convert to fraction form
    3,331.20/5,002.72 = 3,161.04/x
  3. Step 3: Cross multiply
    3,331.20x = 5,002.72 × 3,161.04
  4. Step 4: Simplify right side
    3,331.20x = 15,813,798.03
  5. Step 5: Solve for x
    x = 15,813,798.03/3,331.20
  6. Step 6: Final answer
    x = 4,747.18

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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.