Home / 2,229.39-3,344.04-913.85

Finding the Fourth Proportional to 2,229.39, 3,344.04 and 913.85

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Solution

The fourth proportional to 2,229.39, 3,344.04 and 913.85 is: 1,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.39 : 3,344.04 = 913.85 : x
  2. Step 2: Convert to fraction form
    2,229.39/3,344.04 = 913.85/x
  3. Step 3: Cross multiply
    2,229.39x = 3,344.04 × 913.85
  4. Step 4: Simplify right side
    2,229.39x = 3,055,950.95
  5. Step 5: Solve for x
    x = 3,055,950.95/2,229.39
  6. Step 6: Final answer
    x = 1,370.76

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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.