Home / 2,149.24-3,223.82-850.70

Finding the Fourth Proportional to 2,149.24, 3,223.82 and 850.70

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Solution

The fourth proportional to 2,149.24, 3,223.82 and 850.70 is: 1,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.24 : 3,223.82 = 850.70 : x
  2. Step 2: Convert to fraction form
    2,149.24/3,223.82 = 850.70/x
  3. Step 3: Cross multiply
    2,149.24x = 3,223.82 × 850.70
  4. Step 4: Simplify right side
    2,149.24x = 2,742,503.67
  5. Step 5: Solve for x
    x = 2,742,503.67/2,149.24
  6. Step 6: Final answer
    x = 1,276.03

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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.