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Finding the Fourth Proportional to 1,891.87, 2,837.25 and 796.03

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Solution

The fourth proportional to 1,891.87, 2,837.25 and 796.03 is: 1,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.87 : 2,837.25 = 796.03 : x
  2. Step 2: Convert to fraction form
    1,891.87/2,837.25 = 796.03/x
  3. Step 3: Cross multiply
    1,891.87x = 2,837.25 × 796.03
  4. Step 4: Simplify right side
    1,891.87x = 2,258,536.12
  5. Step 5: Solve for x
    x = 2,258,536.12/1,891.87
  6. Step 6: Final answer
    x = 1,193.81

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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.