Home / 3,240.65-4,857.90-2,067.36

Finding the Fourth Proportional to 3,240.65, 4,857.90 and 2,067.36

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Solution

The fourth proportional to 3,240.65, 4,857.90 and 2,067.36 is: 3,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.65 : 4,857.90 = 2,067.36 : x
  2. Step 2: Convert to fraction form
    3,240.65/4,857.90 = 2,067.36/x
  3. Step 3: Cross multiply
    3,240.65x = 4,857.90 × 2,067.36
  4. Step 4: Simplify right side
    3,240.65x = 10,043,028.14
  5. Step 5: Solve for x
    x = 10,043,028.14/3,240.65
  6. Step 6: Final answer
    x = 3,099.08

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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.