Home / 3,249.89-4,481.44-2,187.66

Finding the Fourth Proportional to 3,249.89, 4,481.44 and 2,187.66

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Solution

The fourth proportional to 3,249.89, 4,481.44 and 2,187.66 is: 3,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.89 : 4,481.44 = 2,187.66 : x
  2. Step 2: Convert to fraction form
    3,249.89/4,481.44 = 2,187.66/x
  3. Step 3: Cross multiply
    3,249.89x = 4,481.44 × 2,187.66
  4. Step 4: Simplify right side
    3,249.89x = 9,803,867.03
  5. Step 5: Solve for x
    x = 9,803,867.03/3,249.89
  6. Step 6: Final answer
    x = 3,016.68

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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.