Home / 3,188.82-4,785.86-1,629.97

Finding the Fourth Proportional to 3,188.82, 4,785.86 and 1,629.97

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Solution

The fourth proportional to 3,188.82, 4,785.86 and 1,629.97 is: 2,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.82 : 4,785.86 = 1,629.97 : x
  2. Step 2: Convert to fraction form
    3,188.82/4,785.86 = 1,629.97/x
  3. Step 3: Cross multiply
    3,188.82x = 4,785.86 × 1,629.97
  4. Step 4: Simplify right side
    3,188.82x = 7,800,808.22
  5. Step 5: Solve for x
    x = 7,800,808.22/3,188.82
  6. Step 6: Final answer
    x = 2,446.30

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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.