Home / 3,414.97-5,121.57-1,223.38

Finding the Fourth Proportional to 3,414.97, 5,121.57 and 1,223.38

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Solution

The fourth proportional to 3,414.97, 5,121.57 and 1,223.38 is: 1,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.97 : 5,121.57 = 1,223.38 : x
  2. Step 2: Convert to fraction form
    3,414.97/5,121.57 = 1,223.38/x
  3. Step 3: Cross multiply
    3,414.97x = 5,121.57 × 1,223.38
  4. Step 4: Simplify right side
    3,414.97x = 6,265,626.31
  5. Step 5: Solve for x
    x = 6,265,626.31/3,414.97
  6. Step 6: Final answer
    x = 1,834.75

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1.5x scale

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.