Home / 2,726.44-4,087.10-1,265.16

Finding the Fourth Proportional to 2,726.44, 4,087.10 and 1,265.16

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Solution

The fourth proportional to 2,726.44, 4,087.10 and 1,265.16 is: 1,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.44 : 4,087.10 = 1,265.16 : x
  2. Step 2: Convert to fraction form
    2,726.44/4,087.10 = 1,265.16/x
  3. Step 3: Cross multiply
    2,726.44x = 4,087.10 × 1,265.16
  4. Step 4: Simplify right side
    2,726.44x = 5,170,835.44
  5. Step 5: Solve for x
    x = 5,170,835.44/2,726.44
  6. Step 6: Final answer
    x = 1,896.55

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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.