Home / 2,682.78-4,022.94-1,512.75

Finding the Fourth Proportional to 2,682.78, 4,022.94 and 1,512.75

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Solution

The fourth proportional to 2,682.78, 4,022.94 and 1,512.75 is: 2,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.78 : 4,022.94 = 1,512.75 : x
  2. Step 2: Convert to fraction form
    2,682.78/4,022.94 = 1,512.75/x
  3. Step 3: Cross multiply
    2,682.78x = 4,022.94 × 1,512.75
  4. Step 4: Simplify right side
    2,682.78x = 6,085,702.49
  5. Step 5: Solve for x
    x = 6,085,702.49/2,682.78
  6. Step 6: Final answer
    x = 2,268.43

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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.