Home / 2,517.66-3,769.38-1,899.39

Finding the Fourth Proportional to 2,517.66, 3,769.38 and 1,899.39

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Solution

The fourth proportional to 2,517.66, 3,769.38 and 1,899.39 is: 2,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.66 : 3,769.38 = 1,899.39 : x
  2. Step 2: Convert to fraction form
    2,517.66/3,769.38 = 1,899.39/x
  3. Step 3: Cross multiply
    2,517.66x = 3,769.38 × 1,899.39
  4. Step 4: Simplify right side
    2,517.66x = 7,159,522.68
  5. Step 5: Solve for x
    x = 7,159,522.68/2,517.66
  6. Step 6: Final answer
    x = 2,843.72

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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.