Home / 2,696.62-3,720.66-2,067.79

Finding the Fourth Proportional to 2,696.62, 3,720.66 and 2,067.79

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Solution

The fourth proportional to 2,696.62, 3,720.66 and 2,067.79 is: 2,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.62 : 3,720.66 = 2,067.79 : x
  2. Step 2: Convert to fraction form
    2,696.62/3,720.66 = 2,067.79/x
  3. Step 3: Cross multiply
    2,696.62x = 3,720.66 × 2,067.79
  4. Step 4: Simplify right side
    2,696.62x = 7,693,543.54
  5. Step 5: Solve for x
    x = 7,693,543.54/2,696.62
  6. Step 6: Final answer
    x = 2,853.03

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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.