Home / 3,049.14-4,203.98-2,489.04

Finding the Fourth Proportional to 3,049.14, 4,203.98 and 2,489.04

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Solution

The fourth proportional to 3,049.14, 4,203.98 and 2,489.04 is: 3,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.14 : 4,203.98 = 2,489.04 : x
  2. Step 2: Convert to fraction form
    3,049.14/4,203.98 = 2,489.04/x
  3. Step 3: Cross multiply
    3,049.14x = 4,203.98 × 2,489.04
  4. Step 4: Simplify right side
    3,049.14x = 10,463,874.38
  5. Step 5: Solve for x
    x = 10,463,874.38/3,049.14
  6. Step 6: Final answer
    x = 3,431.75

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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.