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Finding the Fourth Proportional to 3,324.82, 4,988.19 and 984.82

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Solution

The fourth proportional to 3,324.82, 4,988.19 and 984.82 is: 1,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.82 : 4,988.19 = 984.82 : x
  2. Step 2: Convert to fraction form
    3,324.82/4,988.19 = 984.82/x
  3. Step 3: Cross multiply
    3,324.82x = 4,988.19 × 984.82
  4. Step 4: Simplify right side
    3,324.82x = 4,912,469.28
  5. Step 5: Solve for x
    x = 4,912,469.28/3,324.82
  6. Step 6: Final answer
    x = 1,477.51

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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.