Home / 3,087.68-4,261.66-1,968.36

Finding the Fourth Proportional to 3,087.68, 4,261.66 and 1,968.36

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Solution

The fourth proportional to 3,087.68, 4,261.66 and 1,968.36 is: 2,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.68 : 4,261.66 = 1,968.36 : x
  2. Step 2: Convert to fraction form
    3,087.68/4,261.66 = 1,968.36/x
  3. Step 3: Cross multiply
    3,087.68x = 4,261.66 × 1,968.36
  4. Step 4: Simplify right side
    3,087.68x = 8,388,481.08
  5. Step 5: Solve for x
    x = 8,388,481.08/3,087.68
  6. Step 6: Final answer
    x = 2,716.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.