Home / 3,401.66-5,091.91-2,619.65

Finding the Fourth Proportional to 3,401.66, 5,091.91 and 2,619.65

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Solution

The fourth proportional to 3,401.66, 5,091.91 and 2,619.65 is: 3,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.66 : 5,091.91 = 2,619.65 : x
  2. Step 2: Convert to fraction form
    3,401.66/5,091.91 = 2,619.65/x
  3. Step 3: Cross multiply
    3,401.66x = 5,091.91 × 2,619.65
  4. Step 4: Simplify right side
    3,401.66x = 13,339,028.21
  5. Step 5: Solve for x
    x = 13,339,028.21/3,401.66
  6. Step 6: Final answer
    x = 3,921.33

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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.