Home / 2,726.43-4,086.45-1,262.49

Finding the Fourth Proportional to 2,726.43, 4,086.45 and 1,262.49

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Solution

The fourth proportional to 2,726.43, 4,086.45 and 1,262.49 is: 1,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.43 : 4,086.45 = 1,262.49 : x
  2. Step 2: Convert to fraction form
    2,726.43/4,086.45 = 1,262.49/x
  3. Step 3: Cross multiply
    2,726.43x = 4,086.45 × 1,262.49
  4. Step 4: Simplify right side
    2,726.43x = 5,159,102.26
  5. Step 5: Solve for x
    x = 5,159,102.26/2,726.43
  6. Step 6: Final answer
    x = 1,892.26

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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.