Home / 3,414.57-5,121.95-1,334.49

Finding the Fourth Proportional to 3,414.57, 5,121.95 and 1,334.49

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Solution

The fourth proportional to 3,414.57, 5,121.95 and 1,334.49 is: 2,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.57 : 5,121.95 = 1,334.49 : x
  2. Step 2: Convert to fraction form
    3,414.57/5,121.95 = 1,334.49/x
  3. Step 3: Cross multiply
    3,414.57x = 5,121.95 × 1,334.49
  4. Step 4: Simplify right side
    3,414.57x = 6,835,181.59
  5. Step 5: Solve for x
    x = 6,835,181.59/3,414.57
  6. Step 6: Final answer
    x = 2,001.77

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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.