Home / 3,321.14-4,982.10-1,131.44

Finding the Fourth Proportional to 3,321.14, 4,982.10 and 1,131.44

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Solution

The fourth proportional to 3,321.14, 4,982.10 and 1,131.44 is: 1,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.14 : 4,982.10 = 1,131.44 : x
  2. Step 2: Convert to fraction form
    3,321.14/4,982.10 = 1,131.44/x
  3. Step 3: Cross multiply
    3,321.14x = 4,982.10 × 1,131.44
  4. Step 4: Simplify right side
    3,321.14x = 5,636,947.22
  5. Step 5: Solve for x
    x = 5,636,947.22/3,321.14
  6. Step 6: Final answer
    x = 1,697.29

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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.