Home / 1,936.90-2,672.92-1,052.70

Finding the Fourth Proportional to 1,936.90, 2,672.92 and 1,052.70

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Solution

The fourth proportional to 1,936.90, 2,672.92 and 1,052.70 is: 1,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.90 : 2,672.92 = 1,052.70 : x
  2. Step 2: Convert to fraction form
    1,936.90/2,672.92 = 1,052.70/x
  3. Step 3: Cross multiply
    1,936.90x = 2,672.92 × 1,052.70
  4. Step 4: Simplify right side
    1,936.90x = 2,813,785.52
  5. Step 5: Solve for x
    x = 2,813,785.52/1,936.90
  6. Step 6: Final answer
    x = 1,452.73

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Why These Related Problems?

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