Home / 2,606.33-3,910.68-1,105.77

Finding the Fourth Proportional to 2,606.33, 3,910.68 and 1,105.77

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Solution

The fourth proportional to 2,606.33, 3,910.68 and 1,105.77 is: 1,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.33 : 3,910.68 = 1,105.77 : x
  2. Step 2: Convert to fraction form
    2,606.33/3,910.68 = 1,105.77/x
  3. Step 3: Cross multiply
    2,606.33x = 3,910.68 × 1,105.77
  4. Step 4: Simplify right side
    2,606.33x = 4,324,305.29
  5. Step 5: Solve for x
    x = 4,324,305.29/2,606.33
  6. Step 6: Final answer
    x = 1,659.15

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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.