Home / 2,827.70-4,242.97-1,268.82

Finding the Fourth Proportional to 2,827.70, 4,242.97 and 1,268.82

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Solution

The fourth proportional to 2,827.70, 4,242.97 and 1,268.82 is: 1,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.70 : 4,242.97 = 1,268.82 : x
  2. Step 2: Convert to fraction form
    2,827.70/4,242.97 = 1,268.82/x
  3. Step 3: Cross multiply
    2,827.70x = 4,242.97 × 1,268.82
  4. Step 4: Simplify right side
    2,827.70x = 5,383,551.69
  5. Step 5: Solve for x
    x = 5,383,551.69/2,827.70
  6. Step 6: Final answer
    x = 1,903.86

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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.