Home / 3,194.78-4,792.64-1,635.66

Finding the Fourth Proportional to 3,194.78, 4,792.64 and 1,635.66

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Solution

The fourth proportional to 3,194.78, 4,792.64 and 1,635.66 is: 2,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.78 : 4,792.64 = 1,635.66 : x
  2. Step 2: Convert to fraction form
    3,194.78/4,792.64 = 1,635.66/x
  3. Step 3: Cross multiply
    3,194.78x = 4,792.64 × 1,635.66
  4. Step 4: Simplify right side
    3,194.78x = 7,839,121.36
  5. Step 5: Solve for x
    x = 7,839,121.36/3,194.78
  6. Step 6: Final answer
    x = 2,453.73

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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.