Home / 2,249.61-3,104.31-1,305.43

Finding the Fourth Proportional to 2,249.61, 3,104.31 and 1,305.43

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Solution

The fourth proportional to 2,249.61, 3,104.31 and 1,305.43 is: 1,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.61 : 3,104.31 = 1,305.43 : x
  2. Step 2: Convert to fraction form
    2,249.61/3,104.31 = 1,305.43/x
  3. Step 3: Cross multiply
    2,249.61x = 3,104.31 × 1,305.43
  4. Step 4: Simplify right side
    2,249.61x = 4,052,459.40
  5. Step 5: Solve for x
    x = 4,052,459.40/2,249.61
  6. Step 6: Final answer
    x = 1,801.41

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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.