Home / 3,198.25-4,791.30-2,501.65

Finding the Fourth Proportional to 3,198.25, 4,791.30 and 2,501.65

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Solution

The fourth proportional to 3,198.25, 4,791.30 and 2,501.65 is: 3,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.25 : 4,791.30 = 2,501.65 : x
  2. Step 2: Convert to fraction form
    3,198.25/4,791.30 = 2,501.65/x
  3. Step 3: Cross multiply
    3,198.25x = 4,791.30 × 2,501.65
  4. Step 4: Simplify right side
    3,198.25x = 11,986,155.65
  5. Step 5: Solve for x
    x = 11,986,155.65/3,198.25
  6. Step 6: Final answer
    x = 3,747.72

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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.