Home / 1,255.73-1,882.58-1,084.43

Finding the Fourth Proportional to 1,255.73, 1,882.58 and 1,084.43

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Solution

The fourth proportional to 1,255.73, 1,882.58 and 1,084.43 is: 1,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.73 : 1,882.58 = 1,084.43 : x
  2. Step 2: Convert to fraction form
    1,255.73/1,882.58 = 1,084.43/x
  3. Step 3: Cross multiply
    1,255.73x = 1,882.58 × 1,084.43
  4. Step 4: Simplify right side
    1,255.73x = 2,041,520.81
  5. Step 5: Solve for x
    x = 2,041,520.81/1,255.73
  6. Step 6: Final answer
    x = 1,625.76

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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.