Home / 3,489.89-5,233.01-2,622.38

Finding the Fourth Proportional to 3,489.89, 5,233.01 and 2,622.38

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Solution

The fourth proportional to 3,489.89, 5,233.01 and 2,622.38 is: 3,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.89 : 5,233.01 = 2,622.38 : x
  2. Step 2: Convert to fraction form
    3,489.89/5,233.01 = 2,622.38/x
  3. Step 3: Cross multiply
    3,489.89x = 5,233.01 × 2,622.38
  4. Step 4: Simplify right side
    3,489.89x = 13,722,901.49
  5. Step 5: Solve for x
    x = 13,722,901.49/3,489.89
  6. Step 6: Final answer
    x = 3,932.19

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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.