Home / 3,198.85-4,414.25-1,854.38

Finding the Fourth Proportional to 3,198.85, 4,414.25 and 1,854.38

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Solution

The fourth proportional to 3,198.85, 4,414.25 and 1,854.38 is: 2,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.85 : 4,414.25 = 1,854.38 : x
  2. Step 2: Convert to fraction form
    3,198.85/4,414.25 = 1,854.38/x
  3. Step 3: Cross multiply
    3,198.85x = 4,414.25 × 1,854.38
  4. Step 4: Simplify right side
    3,198.85x = 8,185,712.59
  5. Step 5: Solve for x
    x = 8,185,712.59/3,198.85
  6. Step 6: Final answer
    x = 2,558.96

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1.5x scale

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.