Home / 3,381.69-5,083.97-2,731.60

Finding the Fourth Proportional to 3,381.69, 5,083.97 and 2,731.60

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Solution

The fourth proportional to 3,381.69, 5,083.97 and 2,731.60 is: 4,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.69 : 5,083.97 = 2,731.60 : x
  2. Step 2: Convert to fraction form
    3,381.69/5,083.97 = 2,731.60/x
  3. Step 3: Cross multiply
    3,381.69x = 5,083.97 × 2,731.60
  4. Step 4: Simplify right side
    3,381.69x = 13,887,365.15
  5. Step 5: Solve for x
    x = 13,887,365.15/3,381.69
  6. Step 6: Final answer
    x = 4,106.63

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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.