Home / 3,453.38-5,180.10-1,372.46

Finding the Fourth Proportional to 3,453.38, 5,180.10 and 1,372.46

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Solution

The fourth proportional to 3,453.38, 5,180.10 and 1,372.46 is: 2,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.38 : 5,180.10 = 1,372.46 : x
  2. Step 2: Convert to fraction form
    3,453.38/5,180.10 = 1,372.46/x
  3. Step 3: Cross multiply
    3,453.38x = 5,180.10 × 1,372.46
  4. Step 4: Simplify right side
    3,453.38x = 7,109,480.05
  5. Step 5: Solve for x
    x = 7,109,480.05/3,453.38
  6. Step 6: Final answer
    x = 2,058.70

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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.