Home / 3,414.16-5,121.44-1,105.84

Finding the Fourth Proportional to 3,414.16, 5,121.44 and 1,105.84

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Solution

The fourth proportional to 3,414.16, 5,121.44 and 1,105.84 is: 1,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.16 : 5,121.44 = 1,105.84 : x
  2. Step 2: Convert to fraction form
    3,414.16/5,121.44 = 1,105.84/x
  3. Step 3: Cross multiply
    3,414.16x = 5,121.44 × 1,105.84
  4. Step 4: Simplify right side
    3,414.16x = 5,663,493.21
  5. Step 5: Solve for x
    x = 5,663,493.21/3,414.16
  6. Step 6: Final answer
    x = 1,658.82

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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.