Home / 3,219.82-4,445.86-2,472.60

Finding the Fourth Proportional to 3,219.82, 4,445.86 and 2,472.60

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Solution

The fourth proportional to 3,219.82, 4,445.86 and 2,472.60 is: 3,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.82 : 4,445.86 = 2,472.60 : x
  2. Step 2: Convert to fraction form
    3,219.82/4,445.86 = 2,472.60/x
  3. Step 3: Cross multiply
    3,219.82x = 4,445.86 × 2,472.60
  4. Step 4: Simplify right side
    3,219.82x = 10,992,833.44
  5. Step 5: Solve for x
    x = 10,992,833.44/3,219.82
  6. Step 6: Final answer
    x = 3,414.11

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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.