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Finding the Fourth Proportional to 2,055.27, 2,836.81 and 1,268.86

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Solution

The fourth proportional to 2,055.27, 2,836.81 and 1,268.86 is: 1,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.27 : 2,836.81 = 1,268.86 : x
  2. Step 2: Convert to fraction form
    2,055.27/2,836.81 = 1,268.86/x
  3. Step 3: Cross multiply
    2,055.27x = 2,836.81 × 1,268.86
  4. Step 4: Simplify right side
    2,055.27x = 3,599,507.41
  5. Step 5: Solve for x
    x = 3,599,507.41/2,055.27
  6. Step 6: Final answer
    x = 1,751.36

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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.