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Finding the Fourth Proportional to 1,883.34, 2,825.03 and 843.09

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Solution

The fourth proportional to 1,883.34, 2,825.03 and 843.09 is: 1,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.34 : 2,825.03 = 843.09 : x
  2. Step 2: Convert to fraction form
    1,883.34/2,825.03 = 843.09/x
  3. Step 3: Cross multiply
    1,883.34x = 2,825.03 × 843.09
  4. Step 4: Simplify right side
    1,883.34x = 2,381,750.33
  5. Step 5: Solve for x
    x = 2,381,750.33/1,883.34
  6. Step 6: Final answer
    x = 1,264.64

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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.