Home / 2,728.67-4,093.02-1,268.87

Finding the Fourth Proportional to 2,728.67, 4,093.02 and 1,268.87

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Solution

The fourth proportional to 2,728.67, 4,093.02 and 1,268.87 is: 1,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.67 : 4,093.02 = 1,268.87 : x
  2. Step 2: Convert to fraction form
    2,728.67/4,093.02 = 1,268.87/x
  3. Step 3: Cross multiply
    2,728.67x = 4,093.02 × 1,268.87
  4. Step 4: Simplify right side
    2,728.67x = 5,193,489.82
  5. Step 5: Solve for x
    x = 5,193,489.82/2,728.67
  6. Step 6: Final answer
    x = 1,903.31

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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.