Home / 3,321.50-4,982.26-1,013

Finding the Fourth Proportional to 3,321.50, 4,982.26 and 1,013

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Solution

The fourth proportional to 3,321.50, 4,982.26 and 1,013 is: 1,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.50 : 4,982.26 = 1,013 : x
  2. Step 2: Convert to fraction form
    3,321.50/4,982.26 = 1,013/x
  3. Step 3: Cross multiply
    3,321.50x = 4,982.26 × 1,013
  4. Step 4: Simplify right side
    3,321.50x = 5,047,029.38
  5. Step 5: Solve for x
    x = 5,047,029.38/3,321.50
  6. Step 6: Final answer
    x = 1,519.50

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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.