Home / 2,747.24-4,121.13-798.92

Finding the Fourth Proportional to 2,747.24, 4,121.13 and 798.92

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Solution

The fourth proportional to 2,747.24, 4,121.13 and 798.92 is: 1,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.24 : 4,121.13 = 798.92 : x
  2. Step 2: Convert to fraction form
    2,747.24/4,121.13 = 798.92/x
  3. Step 3: Cross multiply
    2,747.24x = 4,121.13 × 798.92
  4. Step 4: Simplify right side
    2,747.24x = 3,292,453.18
  5. Step 5: Solve for x
    x = 3,292,453.18/2,747.24
  6. Step 6: Final answer
    x = 1,198.46

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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.