Home / 3,766.78-5,198.61-2,194.57

Finding the Fourth Proportional to 3,766.78, 5,198.61 and 2,194.57

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Solution

The fourth proportional to 3,766.78, 5,198.61 and 2,194.57 is: 3,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.78 : 5,198.61 = 2,194.57 : x
  2. Step 2: Convert to fraction form
    3,766.78/5,198.61 = 2,194.57/x
  3. Step 3: Cross multiply
    3,766.78x = 5,198.61 × 2,194.57
  4. Step 4: Simplify right side
    3,766.78x = 11,408,713.55
  5. Step 5: Solve for x
    x = 11,408,713.55/3,766.78
  6. Step 6: Final answer
    x = 3,028.77

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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.