Home / 2,224.72-3,337.56-664.85

Finding the Fourth Proportional to 2,224.72, 3,337.56 and 664.85

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Solution

The fourth proportional to 2,224.72, 3,337.56 and 664.85 is: 997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.72 : 3,337.56 = 664.85 : x
  2. Step 2: Convert to fraction form
    2,224.72/3,337.56 = 664.85/x
  3. Step 3: Cross multiply
    2,224.72x = 3,337.56 × 664.85
  4. Step 4: Simplify right side
    2,224.72x = 2,218,956.75
  5. Step 5: Solve for x
    x = 2,218,956.75/2,224.72
  6. Step 6: Final answer
    x = 997.41

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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.