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Finding the Fourth Proportional to 1,891.58, 2,837.57 and 796.05

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Solution

The fourth proportional to 1,891.58, 2,837.57 and 796.05 is: 1,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.58 : 2,837.57 = 796.05 : x
  2. Step 2: Convert to fraction form
    1,891.58/2,837.57 = 796.05/x
  3. Step 3: Cross multiply
    1,891.58x = 2,837.57 × 796.05
  4. Step 4: Simplify right side
    1,891.58x = 2,258,843.62
  5. Step 5: Solve for x
    x = 2,258,843.62/1,891.58
  6. Step 6: Final answer
    x = 1,194.16

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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.