Home / 1,863.07-2,571.82-1,257.53

Finding the Fourth Proportional to 1,863.07, 2,571.82 and 1,257.53

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Solution

The fourth proportional to 1,863.07, 2,571.82 and 1,257.53 is: 1,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.07 : 2,571.82 = 1,257.53 : x
  2. Step 2: Convert to fraction form
    1,863.07/2,571.82 = 1,257.53/x
  3. Step 3: Cross multiply
    1,863.07x = 2,571.82 × 1,257.53
  4. Step 4: Simplify right side
    1,863.07x = 3,234,124.80
  5. Step 5: Solve for x
    x = 3,234,124.80/1,863.07
  6. Step 6: Final answer
    x = 1,735.91

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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.