Home / 3,401.28-5,101.92-1,092.96

Finding the Fourth Proportional to 3,401.28, 5,101.92 and 1,092.96

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Solution

The fourth proportional to 3,401.28, 5,101.92 and 1,092.96 is: 1,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.28 : 5,101.92 = 1,092.96 : x
  2. Step 2: Convert to fraction form
    3,401.28/5,101.92 = 1,092.96/x
  3. Step 3: Cross multiply
    3,401.28x = 5,101.92 × 1,092.96
  4. Step 4: Simplify right side
    3,401.28x = 5,576,194.48
  5. Step 5: Solve for x
    x = 5,576,194.48/3,401.28
  6. Step 6: Final answer
    x = 1,639.44

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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.