Home / 3,791.11-5,231.74-2,198.07

Finding the Fourth Proportional to 3,791.11, 5,231.74 and 2,198.07

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Solution

The fourth proportional to 3,791.11, 5,231.74 and 2,198.07 is: 3,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.11 : 5,231.74 = 2,198.07 : x
  2. Step 2: Convert to fraction form
    3,791.11/5,231.74 = 2,198.07/x
  3. Step 3: Cross multiply
    3,791.11x = 5,231.74 × 2,198.07
  4. Step 4: Simplify right side
    3,791.11x = 11,499,704.58
  5. Step 5: Solve for x
    x = 11,499,704.58/3,791.11
  6. Step 6: Final answer
    x = 3,033.33

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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.