Home / 2,249.67-3,104.19-1,254.90

Finding the Fourth Proportional to 2,249.67, 3,104.19 and 1,254.90

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Solution

The fourth proportional to 2,249.67, 3,104.19 and 1,254.90 is: 1,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.67 : 3,104.19 = 1,254.90 : x
  2. Step 2: Convert to fraction form
    2,249.67/3,104.19 = 1,254.90/x
  3. Step 3: Cross multiply
    2,249.67x = 3,104.19 × 1,254.90
  4. Step 4: Simplify right side
    2,249.67x = 3,895,448.03
  5. Step 5: Solve for x
    x = 3,895,448.03/2,249.67
  6. Step 6: Final answer
    x = 1,731.56

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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.