Home / 3,453.17-5,180.43-1,372.79

Finding the Fourth Proportional to 3,453.17, 5,180.43 and 1,372.79

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Solution

The fourth proportional to 3,453.17, 5,180.43 and 1,372.79 is: 2,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.17 : 5,180.43 = 1,372.79 : x
  2. Step 2: Convert to fraction form
    3,453.17/5,180.43 = 1,372.79/x
  3. Step 3: Cross multiply
    3,453.17x = 5,180.43 × 1,372.79
  4. Step 4: Simplify right side
    3,453.17x = 7,111,609.73
  5. Step 5: Solve for x
    x = 7,111,609.73/3,453.17
  6. Step 6: Final answer
    x = 2,059.44

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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.