Home / 3,319.91-4,982.93-1,677.60

Finding the Fourth Proportional to 3,319.91, 4,982.93 and 1,677.60

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Solution

The fourth proportional to 3,319.91, 4,982.93 and 1,677.60 is: 2,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.91 : 4,982.93 = 1,677.60 : x
  2. Step 2: Convert to fraction form
    3,319.91/4,982.93 = 1,677.60/x
  3. Step 3: Cross multiply
    3,319.91x = 4,982.93 × 1,677.60
  4. Step 4: Simplify right side
    3,319.91x = 8,359,367.56
  5. Step 5: Solve for x
    x = 8,359,367.56/3,319.91
  6. Step 6: Final answer
    x = 2,517.95

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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.