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Finding the Fourth Proportional to 3,324.80, 4,980.96 and 2,982.47

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Solution

The fourth proportional to 3,324.80, 4,980.96 and 2,982.47 is: 4,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.80 : 4,980.96 = 2,982.47 : x
  2. Step 2: Convert to fraction form
    3,324.80/4,980.96 = 2,982.47/x
  3. Step 3: Cross multiply
    3,324.80x = 4,980.96 × 2,982.47
  4. Step 4: Simplify right side
    3,324.80x = 14,855,568.73
  5. Step 5: Solve for x
    x = 14,855,568.73/3,324.80
  6. Step 6: Final answer
    x = 4,468.12

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1.5x scale

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.