Home / 3,766.68-5,198.07-2,255.79

Finding the Fourth Proportional to 3,766.68, 5,198.07 and 2,255.79

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Solution

The fourth proportional to 3,766.68, 5,198.07 and 2,255.79 is: 3,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.68 : 5,198.07 = 2,255.79 : x
  2. Step 2: Convert to fraction form
    3,766.68/5,198.07 = 2,255.79/x
  3. Step 3: Cross multiply
    3,766.68x = 5,198.07 × 2,255.79
  4. Step 4: Simplify right side
    3,766.68x = 11,725,754.33
  5. Step 5: Solve for x
    x = 11,725,754.33/3,766.68
  6. Step 6: Final answer
    x = 3,113.02

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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.