Home / 2,149.10-3,223.11-850.58

Finding the Fourth Proportional to 2,149.10, 3,223.11 and 850.58

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Solution

The fourth proportional to 2,149.10, 3,223.11 and 850.58 is: 1,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.10 : 3,223.11 = 850.58 : x
  2. Step 2: Convert to fraction form
    2,149.10/3,223.11 = 850.58/x
  3. Step 3: Cross multiply
    2,149.10x = 3,223.11 × 850.58
  4. Step 4: Simplify right side
    2,149.10x = 2,741,512.90
  5. Step 5: Solve for x
    x = 2,741,512.90/2,149.10
  6. Step 6: Final answer
    x = 1,275.66

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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.