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Finding the Fourth Proportional to 1,893.44, 2,839.44 and 1,027.28

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Solution

The fourth proportional to 1,893.44, 2,839.44 and 1,027.28 is: 1,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.44 : 2,839.44 = 1,027.28 : x
  2. Step 2: Convert to fraction form
    1,893.44/2,839.44 = 1,027.28/x
  3. Step 3: Cross multiply
    1,893.44x = 2,839.44 × 1,027.28
  4. Step 4: Simplify right side
    1,893.44x = 2,916,899.92
  5. Step 5: Solve for x
    x = 2,916,899.92/1,893.44
  6. Step 6: Final answer
    x = 1,540.53

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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.