Home / 2,249.15-3,103.70-1,254.50

Finding the Fourth Proportional to 2,249.15, 3,103.70 and 1,254.50

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Solution

The fourth proportional to 2,249.15, 3,103.70 and 1,254.50 is: 1,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.15 : 3,103.70 = 1,254.50 : x
  2. Step 2: Convert to fraction form
    2,249.15/3,103.70 = 1,254.50/x
  3. Step 3: Cross multiply
    2,249.15x = 3,103.70 × 1,254.50
  4. Step 4: Simplify right side
    2,249.15x = 3,893,586.20
  5. Step 5: Solve for x
    x = 3,893,586.20/2,249.15
  6. Step 6: Final answer
    x = 1,731.13

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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.