Home / 3,198.50-4,414.20-1,801.52

Finding the Fourth Proportional to 3,198.50, 4,414.20 and 1,801.52

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Solution

The fourth proportional to 3,198.50, 4,414.20 and 1,801.52 is: 2,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.50 : 4,414.20 = 1,801.52 : x
  2. Step 2: Convert to fraction form
    3,198.50/4,414.20 = 1,801.52/x
  3. Step 3: Cross multiply
    3,198.50x = 4,414.20 × 1,801.52
  4. Step 4: Simplify right side
    3,198.50x = 7,952,269.58
  5. Step 5: Solve for x
    x = 7,952,269.58/3,198.50
  6. Step 6: Final answer
    x = 2,486.25

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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.