Home / 2,203.20-3,305.04-742.44

Finding the Fourth Proportional to 2,203.20, 3,305.04 and 742.44

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Solution

The fourth proportional to 2,203.20, 3,305.04 and 742.44 is: 1,113.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.20 : 3,305.04 = 742.44 : x
  2. Step 2: Convert to fraction form
    2,203.20/3,305.04 = 742.44/x
  3. Step 3: Cross multiply
    2,203.20x = 3,305.04 × 742.44
  4. Step 4: Simplify right side
    2,203.20x = 2,453,793.90
  5. Step 5: Solve for x
    x = 2,453,793.90/2,203.20
  6. Step 6: Final answer
    x = 1,113.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.