Home / 3,319.72-4,982.66-1,677.42

Finding the Fourth Proportional to 3,319.72, 4,982.66 and 1,677.42

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Solution

The fourth proportional to 3,319.72, 4,982.66 and 1,677.42 is: 2,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.72 : 4,982.66 = 1,677.42 : x
  2. Step 2: Convert to fraction form
    3,319.72/4,982.66 = 1,677.42/x
  3. Step 3: Cross multiply
    3,319.72x = 4,982.66 × 1,677.42
  4. Step 4: Simplify right side
    3,319.72x = 8,358,013.54
  5. Step 5: Solve for x
    x = 8,358,013.54/3,319.72
  6. Step 6: Final answer
    x = 2,517.69

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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.