Home / 3,149.38-4,339.73-2,436.90

Finding the Fourth Proportional to 3,149.38, 4,339.73 and 2,436.90

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Solution

The fourth proportional to 3,149.38, 4,339.73 and 2,436.90 is: 3,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.38 : 4,339.73 = 2,436.90 : x
  2. Step 2: Convert to fraction form
    3,149.38/4,339.73 = 2,436.90/x
  3. Step 3: Cross multiply
    3,149.38x = 4,339.73 × 2,436.90
  4. Step 4: Simplify right side
    3,149.38x = 10,575,488.04
  5. Step 5: Solve for x
    x = 10,575,488.04/3,149.38
  6. Step 6: Final answer
    x = 3,357.96

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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.