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Finding the Fourth Proportional to 3,959.56, 5,940.60 and 2,110.60

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Solution

The fourth proportional to 3,959.56, 5,940.60 and 2,110.60 is: 3,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.56 : 5,940.60 = 2,110.60 : x
  2. Step 2: Convert to fraction form
    3,959.56/5,940.60 = 2,110.60/x
  3. Step 3: Cross multiply
    3,959.56x = 5,940.60 × 2,110.60
  4. Step 4: Simplify right side
    3,959.56x = 12,538,230.36
  5. Step 5: Solve for x
    x = 12,538,230.36/3,959.56
  6. Step 6: Final answer
    x = 3,166.57

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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.