Home / 3,951.80-5,452.45-2,273.74

Finding the Fourth Proportional to 3,951.80, 5,452.45 and 2,273.74

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Solution

The fourth proportional to 3,951.80, 5,452.45 and 2,273.74 is: 3,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.80 : 5,452.45 = 2,273.74 : x
  2. Step 2: Convert to fraction form
    3,951.80/5,452.45 = 2,273.74/x
  3. Step 3: Cross multiply
    3,951.80x = 5,452.45 × 2,273.74
  4. Step 4: Simplify right side
    3,951.80x = 12,397,453.66
  5. Step 5: Solve for x
    x = 12,397,453.66/3,951.80
  6. Step 6: Final answer
    x = 3,137.17

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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.