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Finding the Fourth Proportional to 2,224.89, 3,337.85 and 665.37

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Solution

The fourth proportional to 2,224.89, 3,337.85 and 665.37 is: 998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.89 : 3,337.85 = 665.37 : x
  2. Step 2: Convert to fraction form
    2,224.89/3,337.85 = 665.37/x
  3. Step 3: Cross multiply
    2,224.89x = 3,337.85 × 665.37
  4. Step 4: Simplify right side
    2,224.89x = 2,220,906.92
  5. Step 5: Solve for x
    x = 2,220,906.92/2,224.89
  6. Step 6: Final answer
    x = 998.21

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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.