Home / 2,022.72-2,791.26-1,236.84

Finding the Fourth Proportional to 2,022.72, 2,791.26 and 1,236.84

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Solution

The fourth proportional to 2,022.72, 2,791.26 and 1,236.84 is: 1,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.72 : 2,791.26 = 1,236.84 : x
  2. Step 2: Convert to fraction form
    2,022.72/2,791.26 = 1,236.84/x
  3. Step 3: Cross multiply
    2,022.72x = 2,791.26 × 1,236.84
  4. Step 4: Simplify right side
    2,022.72x = 3,452,342.02
  5. Step 5: Solve for x
    x = 3,452,342.02/2,022.72
  6. Step 6: Final answer
    x = 1,706.78

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