Home / 3,427.52-5,140.87-1,453.43

Finding the Fourth Proportional to 3,427.52, 5,140.87 and 1,453.43

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Solution

The fourth proportional to 3,427.52, 5,140.87 and 1,453.43 is: 2,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.52 : 5,140.87 = 1,453.43 : x
  2. Step 2: Convert to fraction form
    3,427.52/5,140.87 = 1,453.43/x
  3. Step 3: Cross multiply
    3,427.52x = 5,140.87 × 1,453.43
  4. Step 4: Simplify right side
    3,427.52x = 7,471,896.67
  5. Step 5: Solve for x
    x = 7,471,896.67/3,427.52
  6. Step 6: Final answer
    x = 2,179.97

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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.