Home / 3,558.20-4,909.56-2,231.96

Finding the Fourth Proportional to 3,558.20, 4,909.56 and 2,231.96

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Solution

The fourth proportional to 3,558.20, 4,909.56 and 2,231.96 is: 3,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.20 : 4,909.56 = 2,231.96 : x
  2. Step 2: Convert to fraction form
    3,558.20/4,909.56 = 2,231.96/x
  3. Step 3: Cross multiply
    3,558.20x = 4,909.56 × 2,231.96
  4. Step 4: Simplify right side
    3,558.20x = 10,957,941.54
  5. Step 5: Solve for x
    x = 10,957,941.54/3,558.20
  6. Step 6: Final answer
    x = 3,079.63

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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.