Home / 3,198.21-4,404.71-2,755.95

Finding the Fourth Proportional to 3,198.21, 4,404.71 and 2,755.95

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Solution

The fourth proportional to 3,198.21, 4,404.71 and 2,755.95 is: 3,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.21 : 4,404.71 = 2,755.95 : x
  2. Step 2: Convert to fraction form
    3,198.21/4,404.71 = 2,755.95/x
  3. Step 3: Cross multiply
    3,198.21x = 4,404.71 × 2,755.95
  4. Step 4: Simplify right side
    3,198.21x = 12,139,146.74
  5. Step 5: Solve for x
    x = 12,139,146.74/3,198.21
  6. Step 6: Final answer
    x = 3,795.61

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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.