Home / 3,860.82-5,791.23-2,711.70

Finding the Fourth Proportional to 3,860.82, 5,791.23 and 2,711.70

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Solution

The fourth proportional to 3,860.82, 5,791.23 and 2,711.70 is: 4,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.82 : 5,791.23 = 2,711.70 : x
  2. Step 2: Convert to fraction form
    3,860.82/5,791.23 = 2,711.70/x
  3. Step 3: Cross multiply
    3,860.82x = 5,791.23 × 2,711.70
  4. Step 4: Simplify right side
    3,860.82x = 15,704,078.39
  5. Step 5: Solve for x
    x = 15,704,078.39/3,860.82
  6. Step 6: Final answer
    x = 4,067.55

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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.