Home / 3,240.69-4,863.33-1,293.33

Finding the Fourth Proportional to 3,240.69, 4,863.33 and 1,293.33

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Solution

The fourth proportional to 3,240.69, 4,863.33 and 1,293.33 is: 1,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.69 : 4,863.33 = 1,293.33 : x
  2. Step 2: Convert to fraction form
    3,240.69/4,863.33 = 1,293.33/x
  3. Step 3: Cross multiply
    3,240.69x = 4,863.33 × 1,293.33
  4. Step 4: Simplify right side
    3,240.69x = 6,289,890.59
  5. Step 5: Solve for x
    x = 6,289,890.59/3,240.69
  6. Step 6: Final answer
    x = 1,940.91

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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.