Home / 3,456.97-4,770.45-1,964.86

Finding the Fourth Proportional to 3,456.97, 4,770.45 and 1,964.86

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Solution

The fourth proportional to 3,456.97, 4,770.45 and 1,964.86 is: 2,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.97 : 4,770.45 = 1,964.86 : x
  2. Step 2: Convert to fraction form
    3,456.97/4,770.45 = 1,964.86/x
  3. Step 3: Cross multiply
    3,456.97x = 4,770.45 × 1,964.86
  4. Step 4: Simplify right side
    3,456.97x = 9,373,266.39
  5. Step 5: Solve for x
    x = 9,373,266.39/3,456.97
  6. Step 6: Final answer
    x = 2,711.41

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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.