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Finding the Fourth Proportional to 1,883.41, 2,825.97 and 843.32

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Solution

The fourth proportional to 1,883.41, 2,825.97 and 843.32 is: 1,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.41 : 2,825.97 = 843.32 : x
  2. Step 2: Convert to fraction form
    1,883.41/2,825.97 = 843.32/x
  3. Step 3: Cross multiply
    1,883.41x = 2,825.97 × 843.32
  4. Step 4: Simplify right side
    1,883.41x = 2,383,204.09
  5. Step 5: Solve for x
    x = 2,383,204.09/1,883.41
  6. Step 6: Final answer
    x = 1,265.37

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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.