Home / 3,324.40-4,986.60-3,275.80

Finding the Fourth Proportional to 3,324.40, 4,986.60 and 3,275.80

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Solution

The fourth proportional to 3,324.40, 4,986.60 and 3,275.80 is: 4,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.40 : 4,986.60 = 3,275.80 : x
  2. Step 2: Convert to fraction form
    3,324.40/4,986.60 = 3,275.80/x
  3. Step 3: Cross multiply
    3,324.40x = 4,986.60 × 3,275.80
  4. Step 4: Simplify right side
    3,324.40x = 16,335,104.28
  5. Step 5: Solve for x
    x = 16,335,104.28/3,324.40
  6. Step 6: Final answer
    x = 4,913.70

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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.