Home / 3,371.75-5,057.52-1,422.55

Finding the Fourth Proportional to 3,371.75, 5,057.52 and 1,422.55

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Solution

The fourth proportional to 3,371.75, 5,057.52 and 1,422.55 is: 2,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.75 : 5,057.52 = 1,422.55 : x
  2. Step 2: Convert to fraction form
    3,371.75/5,057.52 = 1,422.55/x
  3. Step 3: Cross multiply
    3,371.75x = 5,057.52 × 1,422.55
  4. Step 4: Simplify right side
    3,371.75x = 7,194,575.08
  5. Step 5: Solve for x
    x = 7,194,575.08/3,371.75
  6. Step 6: Final answer
    x = 2,133.78

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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.