Home / 2,726.91-4,089.75-1,265.26

Finding the Fourth Proportional to 2,726.91, 4,089.75 and 1,265.26

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Solution

The fourth proportional to 2,726.91, 4,089.75 and 1,265.26 is: 1,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.91 : 4,089.75 = 1,265.26 : x
  2. Step 2: Convert to fraction form
    2,726.91/4,089.75 = 1,265.26/x
  3. Step 3: Cross multiply
    2,726.91x = 4,089.75 × 1,265.26
  4. Step 4: Simplify right side
    2,726.91x = 5,174,597.09
  5. Step 5: Solve for x
    x = 5,174,597.09/2,726.91
  6. Step 6: Final answer
    x = 1,897.60

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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.