Home / 2,977.38-4,456.82-2,198.25

Finding the Fourth Proportional to 2,977.38, 4,456.82 and 2,198.25

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Solution

The fourth proportional to 2,977.38, 4,456.82 and 2,198.25 is: 3,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.38 : 4,456.82 = 2,198.25 : x
  2. Step 2: Convert to fraction form
    2,977.38/4,456.82 = 2,198.25/x
  3. Step 3: Cross multiply
    2,977.38x = 4,456.82 × 2,198.25
  4. Step 4: Simplify right side
    2,977.38x = 9,797,193.57
  5. Step 5: Solve for x
    x = 9,797,193.57/2,977.38
  6. Step 6: Final answer
    x = 3,290.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.