Home / 4,081.82-6,122.76-1,617.80

Finding the Fourth Proportional to 4,081.82, 6,122.76 and 1,617.80

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Solution

The fourth proportional to 4,081.82, 6,122.76 and 1,617.80 is: 2,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.82 : 6,122.76 = 1,617.80 : x
  2. Step 2: Convert to fraction form
    4,081.82/6,122.76 = 1,617.80/x
  3. Step 3: Cross multiply
    4,081.82x = 6,122.76 × 1,617.80
  4. Step 4: Simplify right side
    4,081.82x = 9,905,401.13
  5. Step 5: Solve for x
    x = 9,905,401.13/4,081.82
  6. Step 6: Final answer
    x = 2,426.71

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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.