Home / 3,083.49-4,250.78-2,197.75

Finding the Fourth Proportional to 3,083.49, 4,250.78 and 2,197.75

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Solution

The fourth proportional to 3,083.49, 4,250.78 and 2,197.75 is: 3,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.49 : 4,250.78 = 2,197.75 : x
  2. Step 2: Convert to fraction form
    3,083.49/4,250.78 = 2,197.75/x
  3. Step 3: Cross multiply
    3,083.49x = 4,250.78 × 2,197.75
  4. Step 4: Simplify right side
    3,083.49x = 9,342,151.75
  5. Step 5: Solve for x
    x = 9,342,151.75/3,083.49
  6. Step 6: Final answer
    x = 3,029.73

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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.