Home / 3,446.18-5,169.38-849.12

Finding the Fourth Proportional to 3,446.18, 5,169.38 and 849.12

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Solution

The fourth proportional to 3,446.18, 5,169.38 and 849.12 is: 1,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.18 : 5,169.38 = 849.12 : x
  2. Step 2: Convert to fraction form
    3,446.18/5,169.38 = 849.12/x
  3. Step 3: Cross multiply
    3,446.18x = 5,169.38 × 849.12
  4. Step 4: Simplify right side
    3,446.18x = 4,389,423.95
  5. Step 5: Solve for x
    x = 4,389,423.95/3,446.18
  6. Step 6: Final answer
    x = 1,273.71

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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.