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Finding the Fourth Proportional to 2,843.83, 4,265.73 and 735.45

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Solution

The fourth proportional to 2,843.83, 4,265.73 and 735.45 is: 1,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.83 : 4,265.73 = 735.45 : x
  2. Step 2: Convert to fraction form
    2,843.83/4,265.73 = 735.45/x
  3. Step 3: Cross multiply
    2,843.83x = 4,265.73 × 735.45
  4. Step 4: Simplify right side
    2,843.83x = 3,137,251.12
  5. Step 5: Solve for x
    x = 3,137,251.12/2,843.83
  6. Step 6: Final answer
    x = 1,103.18

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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.