Home / 2,249.42-3,104.13-1,254.64

Finding the Fourth Proportional to 2,249.42, 3,104.13 and 1,254.64

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Solution

The fourth proportional to 2,249.42, 3,104.13 and 1,254.64 is: 1,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.42 : 3,104.13 = 1,254.64 : x
  2. Step 2: Convert to fraction form
    2,249.42/3,104.13 = 1,254.64/x
  3. Step 3: Cross multiply
    2,249.42x = 3,104.13 × 1,254.64
  4. Step 4: Simplify right side
    2,249.42x = 3,894,565.66
  5. Step 5: Solve for x
    x = 3,894,565.66/2,249.42
  6. Step 6: Final answer
    x = 1,731.36

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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.