Home / 2,132.24-3,198.50-745.92

Finding the Fourth Proportional to 2,132.24, 3,198.50 and 745.92

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Solution

The fourth proportional to 2,132.24, 3,198.50 and 745.92 is: 1,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.24 : 3,198.50 = 745.92 : x
  2. Step 2: Convert to fraction form
    2,132.24/3,198.50 = 745.92/x
  3. Step 3: Cross multiply
    2,132.24x = 3,198.50 × 745.92
  4. Step 4: Simplify right side
    2,132.24x = 2,385,825.12
  5. Step 5: Solve for x
    x = 2,385,825.12/2,132.24
  6. Step 6: Final answer
    x = 1,118.93

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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.