Home / 3,269.03-4,905.56-1,321.25

Finding the Fourth Proportional to 3,269.03, 4,905.56 and 1,321.25

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Solution

The fourth proportional to 3,269.03, 4,905.56 and 1,321.25 is: 1,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.03 : 4,905.56 = 1,321.25 : x
  2. Step 2: Convert to fraction form
    3,269.03/4,905.56 = 1,321.25/x
  3. Step 3: Cross multiply
    3,269.03x = 4,905.56 × 1,321.25
  4. Step 4: Simplify right side
    3,269.03x = 6,481,449.93
  5. Step 5: Solve for x
    x = 6,481,449.93/3,269.03
  6. Step 6: Final answer
    x = 1,982.69

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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.