Home / 2,003.68-2,764.50-1,257.64

Finding the Fourth Proportional to 2,003.68, 2,764.50 and 1,257.64

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Solution

The fourth proportional to 2,003.68, 2,764.50 and 1,257.64 is: 1,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.68 : 2,764.50 = 1,257.64 : x
  2. Step 2: Convert to fraction form
    2,003.68/2,764.50 = 1,257.64/x
  3. Step 3: Cross multiply
    2,003.68x = 2,764.50 × 1,257.64
  4. Step 4: Simplify right side
    2,003.68x = 3,476,745.78
  5. Step 5: Solve for x
    x = 3,476,745.78/2,003.68
  6. Step 6: Final answer
    x = 1,735.18

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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.