Home / 2,650.26-3,975.29-1,089.83

Finding the Fourth Proportional to 2,650.26, 3,975.29 and 1,089.83

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Solution

The fourth proportional to 2,650.26, 3,975.29 and 1,089.83 is: 1,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.26 : 3,975.29 = 1,089.83 : x
  2. Step 2: Convert to fraction form
    2,650.26/3,975.29 = 1,089.83/x
  3. Step 3: Cross multiply
    2,650.26x = 3,975.29 × 1,089.83
  4. Step 4: Simplify right side
    2,650.26x = 4,332,383.97
  5. Step 5: Solve for x
    x = 4,332,383.97/2,650.26
  6. Step 6: Final answer
    x = 1,634.70

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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.