Home / 3,391.11-5,072.63-3,183.75

Finding the Fourth Proportional to 3,391.11, 5,072.63 and 3,183.75

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Solution

The fourth proportional to 3,391.11, 5,072.63 and 3,183.75 is: 4,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.11 : 5,072.63 = 3,183.75 : x
  2. Step 2: Convert to fraction form
    3,391.11/5,072.63 = 3,183.75/x
  3. Step 3: Cross multiply
    3,391.11x = 5,072.63 × 3,183.75
  4. Step 4: Simplify right side
    3,391.11x = 16,149,969.84
  5. Step 5: Solve for x
    x = 16,149,969.84/3,391.11
  6. Step 6: Final answer
    x = 4,762.44

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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.