Home / 3,171.67-4,755.99-1,091.14

Finding the Fourth Proportional to 3,171.67, 4,755.99 and 1,091.14

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Solution

The fourth proportional to 3,171.67, 4,755.99 and 1,091.14 is: 1,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.67 : 4,755.99 = 1,091.14 : x
  2. Step 2: Convert to fraction form
    3,171.67/4,755.99 = 1,091.14/x
  3. Step 3: Cross multiply
    3,171.67x = 4,755.99 × 1,091.14
  4. Step 4: Simplify right side
    3,171.67x = 5,189,450.93
  5. Step 5: Solve for x
    x = 5,189,450.93/3,171.67
  6. Step 6: Final answer
    x = 1,636.19

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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.