Home / 3,456.28-5,182.44-1,265.68

Finding the Fourth Proportional to 3,456.28, 5,182.44 and 1,265.68

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Solution

The fourth proportional to 3,456.28, 5,182.44 and 1,265.68 is: 1,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.28 : 5,182.44 = 1,265.68 : x
  2. Step 2: Convert to fraction form
    3,456.28/5,182.44 = 1,265.68/x
  3. Step 3: Cross multiply
    3,456.28x = 5,182.44 × 1,265.68
  4. Step 4: Simplify right side
    3,456.28x = 6,559,310.66
  5. Step 5: Solve for x
    x = 6,559,310.66/3,456.28
  6. Step 6: Final answer
    x = 1,897.79

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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.