Home / 3,172.03-4,755.25-1,222.90

Finding the Fourth Proportional to 3,172.03, 4,755.25 and 1,222.90

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Solution

The fourth proportional to 3,172.03, 4,755.25 and 1,222.90 is: 1,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.03 : 4,755.25 = 1,222.90 : x
  2. Step 2: Convert to fraction form
    3,172.03/4,755.25 = 1,222.90/x
  3. Step 3: Cross multiply
    3,172.03x = 4,755.25 × 1,222.90
  4. Step 4: Simplify right side
    3,172.03x = 5,815,195.23
  5. Step 5: Solve for x
    x = 5,815,195.23/3,172.03
  6. Step 6: Final answer
    x = 1,833.27

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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.