Home / 3,221.11-4,447.27-2,473.73

Finding the Fourth Proportional to 3,221.11, 4,447.27 and 2,473.73

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Solution

The fourth proportional to 3,221.11, 4,447.27 and 2,473.73 is: 3,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.11 : 4,447.27 = 2,473.73 : x
  2. Step 2: Convert to fraction form
    3,221.11/4,447.27 = 2,473.73/x
  3. Step 3: Cross multiply
    3,221.11x = 4,447.27 × 2,473.73
  4. Step 4: Simplify right side
    3,221.11x = 11,001,339.03
  5. Step 5: Solve for x
    x = 11,001,339.03/3,221.11
  6. Step 6: Final answer
    x = 3,415.38

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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.