Home / 2,252.42-3,380.14-791.58

Finding the Fourth Proportional to 2,252.42, 3,380.14 and 791.58

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Solution

The fourth proportional to 2,252.42, 3,380.14 and 791.58 is: 1,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.42 : 3,380.14 = 791.58 : x
  2. Step 2: Convert to fraction form
    2,252.42/3,380.14 = 791.58/x
  3. Step 3: Cross multiply
    2,252.42x = 3,380.14 × 791.58
  4. Step 4: Simplify right side
    2,252.42x = 2,675,651.22
  5. Step 5: Solve for x
    x = 2,675,651.22/2,252.42
  6. Step 6: Final answer
    x = 1,187.90

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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.