Home / 3,339.05-4,609.50-2,221.85

Finding the Fourth Proportional to 3,339.05, 4,609.50 and 2,221.85

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Solution

The fourth proportional to 3,339.05, 4,609.50 and 2,221.85 is: 3,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.05 : 4,609.50 = 2,221.85 : x
  2. Step 2: Convert to fraction form
    3,339.05/4,609.50 = 2,221.85/x
  3. Step 3: Cross multiply
    3,339.05x = 4,609.50 × 2,221.85
  4. Step 4: Simplify right side
    3,339.05x = 10,241,617.58
  5. Step 5: Solve for x
    x = 10,241,617.58/3,339.05
  6. Step 6: Final answer
    x = 3,067.22

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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.