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Finding the Fourth Proportional to 1,907.73, 2,863.22 and 754.29

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Solution

The fourth proportional to 1,907.73, 2,863.22 and 754.29 is: 1,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.73 : 2,863.22 = 754.29 : x
  2. Step 2: Convert to fraction form
    1,907.73/2,863.22 = 754.29/x
  3. Step 3: Cross multiply
    1,907.73x = 2,863.22 × 754.29
  4. Step 4: Simplify right side
    1,907.73x = 2,159,694.44
  5. Step 5: Solve for x
    x = 2,159,694.44/1,907.73
  6. Step 6: Final answer
    x = 1,132.08

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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.