Home / 3,793.40-5,234.88-2,221.18

Finding the Fourth Proportional to 3,793.40, 5,234.88 and 2,221.18

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Solution

The fourth proportional to 3,793.40, 5,234.88 and 2,221.18 is: 3,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.40 : 5,234.88 = 2,221.18 : x
  2. Step 2: Convert to fraction form
    3,793.40/5,234.88 = 2,221.18/x
  3. Step 3: Cross multiply
    3,793.40x = 5,234.88 × 2,221.18
  4. Step 4: Simplify right side
    3,793.40x = 11,627,610.76
  5. Step 5: Solve for x
    x = 11,627,610.76/3,793.40
  6. Step 6: Final answer
    x = 3,065.22

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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.