Home / 3,240.14-4,855.35-1,940.09

Finding the Fourth Proportional to 3,240.14, 4,855.35 and 1,940.09

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Solution

The fourth proportional to 3,240.14, 4,855.35 and 1,940.09 is: 2,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.14 : 4,855.35 = 1,940.09 : x
  2. Step 2: Convert to fraction form
    3,240.14/4,855.35 = 1,940.09/x
  3. Step 3: Cross multiply
    3,240.14x = 4,855.35 × 1,940.09
  4. Step 4: Simplify right side
    3,240.14x = 9,419,815.98
  5. Step 5: Solve for x
    x = 9,419,815.98/3,240.14
  6. Step 6: Final answer
    x = 2,907.22

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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.