Home / 2,839.27-3,918.41-1,580.43

Finding the Fourth Proportional to 2,839.27, 3,918.41 and 1,580.43

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Solution

The fourth proportional to 2,839.27, 3,918.41 and 1,580.43 is: 2,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.27 : 3,918.41 = 1,580.43 : x
  2. Step 2: Convert to fraction form
    2,839.27/3,918.41 = 1,580.43/x
  3. Step 3: Cross multiply
    2,839.27x = 3,918.41 × 1,580.43
  4. Step 4: Simplify right side
    2,839.27x = 6,192,772.72
  5. Step 5: Solve for x
    x = 6,192,772.72/2,839.27
  6. Step 6: Final answer
    x = 2,181.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.