Home / 2,982.24-4,469.70-1,338.75

Finding the Fourth Proportional to 2,982.24, 4,469.70 and 1,338.75

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Solution

The fourth proportional to 2,982.24, 4,469.70 and 1,338.75 is: 2,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.24 : 4,469.70 = 1,338.75 : x
  2. Step 2: Convert to fraction form
    2,982.24/4,469.70 = 1,338.75/x
  3. Step 3: Cross multiply
    2,982.24x = 4,469.70 × 1,338.75
  4. Step 4: Simplify right side
    2,982.24x = 5,983,810.88
  5. Step 5: Solve for x
    x = 5,983,810.88/2,982.24
  6. Step 6: Final answer
    x = 2,006.48

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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.