Home / 3,037.97-4,194.22-1,991.85

Finding the Fourth Proportional to 3,037.97, 4,194.22 and 1,991.85

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Solution

The fourth proportional to 3,037.97, 4,194.22 and 1,991.85 is: 2,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.97 : 4,194.22 = 1,991.85 : x
  2. Step 2: Convert to fraction form
    3,037.97/4,194.22 = 1,991.85/x
  3. Step 3: Cross multiply
    3,037.97x = 4,194.22 × 1,991.85
  4. Step 4: Simplify right side
    3,037.97x = 8,354,271.59
  5. Step 5: Solve for x
    x = 8,354,271.59/3,037.97
  6. Step 6: Final answer
    x = 2,749.95

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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.