Home / 2,249.90-3,104.54-1,255.06

Finding the Fourth Proportional to 2,249.90, 3,104.54 and 1,255.06

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Solution

The fourth proportional to 2,249.90, 3,104.54 and 1,255.06 is: 1,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.90 : 3,104.54 = 1,255.06 : x
  2. Step 2: Convert to fraction form
    2,249.90/3,104.54 = 1,255.06/x
  3. Step 3: Cross multiply
    2,249.90x = 3,104.54 × 1,255.06
  4. Step 4: Simplify right side
    2,249.90x = 3,896,383.97
  5. Step 5: Solve for x
    x = 3,896,383.97/2,249.90
  6. Step 6: Final answer
    x = 1,731.80

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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.