Home / 1,791.03-2,468.25-1,292.79

Finding the Fourth Proportional to 1,791.03, 2,468.25 and 1,292.79

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Solution

The fourth proportional to 1,791.03, 2,468.25 and 1,292.79 is: 1,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.03 : 2,468.25 = 1,292.79 : x
  2. Step 2: Convert to fraction form
    1,791.03/2,468.25 = 1,292.79/x
  3. Step 3: Cross multiply
    1,791.03x = 2,468.25 × 1,292.79
  4. Step 4: Simplify right side
    1,791.03x = 3,190,928.92
  5. Step 5: Solve for x
    x = 3,190,928.92/1,791.03
  6. Step 6: Final answer
    x = 1,781.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.