Home / 3,109.67-4,291.25-1,850.44

Finding the Fourth Proportional to 3,109.67, 4,291.25 and 1,850.44

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Solution

The fourth proportional to 3,109.67, 4,291.25 and 1,850.44 is: 2,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.67 : 4,291.25 = 1,850.44 : x
  2. Step 2: Convert to fraction form
    3,109.67/4,291.25 = 1,850.44/x
  3. Step 3: Cross multiply
    3,109.67x = 4,291.25 × 1,850.44
  4. Step 4: Simplify right side
    3,109.67x = 7,940,669.94
  5. Step 5: Solve for x
    x = 7,940,669.94/3,109.67
  6. Step 6: Final answer
    x = 2,553.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.