Home / 3,951.45-5,452.97-2,183.09

Finding the Fourth Proportional to 3,951.45, 5,452.97 and 2,183.09

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Solution

The fourth proportional to 3,951.45, 5,452.97 and 2,183.09 is: 3,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.45 : 5,452.97 = 2,183.09 : x
  2. Step 2: Convert to fraction form
    3,951.45/5,452.97 = 2,183.09/x
  3. Step 3: Cross multiply
    3,951.45x = 5,452.97 × 2,183.09
  4. Step 4: Simplify right side
    3,951.45x = 11,904,286.10
  5. Step 5: Solve for x
    x = 11,904,286.10/3,951.45
  6. Step 6: Final answer
    x = 3,012.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.