Home / 3,446.80-5,170.86-1,472.38

Finding the Fourth Proportional to 3,446.80, 5,170.86 and 1,472.38

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Solution

The fourth proportional to 3,446.80, 5,170.86 and 1,472.38 is: 2,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.80 : 5,170.86 = 1,472.38 : x
  2. Step 2: Convert to fraction form
    3,446.80/5,170.86 = 1,472.38/x
  3. Step 3: Cross multiply
    3,446.80x = 5,170.86 × 1,472.38
  4. Step 4: Simplify right side
    3,446.80x = 7,613,470.85
  5. Step 5: Solve for x
    x = 7,613,470.85/3,446.80
  6. Step 6: Final answer
    x = 2,208.85

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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.