Home / 4,002.20-5,523.30-2,233.80

Finding the Fourth Proportional to 4,002.20, 5,523.30 and 2,233.80

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Solution

The fourth proportional to 4,002.20, 5,523.30 and 2,233.80 is: 3,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.20 : 5,523.30 = 2,233.80 : x
  2. Step 2: Convert to fraction form
    4,002.20/5,523.30 = 2,233.80/x
  3. Step 3: Cross multiply
    4,002.20x = 5,523.30 × 2,233.80
  4. Step 4: Simplify right side
    4,002.20x = 12,337,947.54
  5. Step 5: Solve for x
    x = 12,337,947.54/4,002.20
  6. Step 6: Final answer
    x = 3,082.79

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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.