Home / 2,581.94-3,872.95-1,351.75

Finding the Fourth Proportional to 2,581.94, 3,872.95 and 1,351.75

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Solution

The fourth proportional to 2,581.94, 3,872.95 and 1,351.75 is: 2,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.94 : 3,872.95 = 1,351.75 : x
  2. Step 2: Convert to fraction form
    2,581.94/3,872.95 = 1,351.75/x
  3. Step 3: Cross multiply
    2,581.94x = 3,872.95 × 1,351.75
  4. Step 4: Simplify right side
    2,581.94x = 5,235,282.04
  5. Step 5: Solve for x
    x = 5,235,282.04/2,581.94
  6. Step 6: Final answer
    x = 2,027.65

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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.