Home / 2,635.66-3,944.91-1,942.05

Finding the Fourth Proportional to 2,635.66, 3,944.91 and 1,942.05

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Solution

The fourth proportional to 2,635.66, 3,944.91 and 1,942.05 is: 2,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.66 : 3,944.91 = 1,942.05 : x
  2. Step 2: Convert to fraction form
    2,635.66/3,944.91 = 1,942.05/x
  3. Step 3: Cross multiply
    2,635.66x = 3,944.91 × 1,942.05
  4. Step 4: Simplify right side
    2,635.66x = 7,661,212.47
  5. Step 5: Solve for x
    x = 7,661,212.47/2,635.66
  6. Step 6: Final answer
    x = 2,906.75

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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.