Home / 3,382.69-4,668.10-1,890.61

Finding the Fourth Proportional to 3,382.69, 4,668.10 and 1,890.61

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Solution

The fourth proportional to 3,382.69, 4,668.10 and 1,890.61 is: 2,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.69 : 4,668.10 = 1,890.61 : x
  2. Step 2: Convert to fraction form
    3,382.69/4,668.10 = 1,890.61/x
  3. Step 3: Cross multiply
    3,382.69x = 4,668.10 × 1,890.61
  4. Step 4: Simplify right side
    3,382.69x = 8,825,556.54
  5. Step 5: Solve for x
    x = 8,825,556.54/3,382.69
  6. Step 6: Final answer
    x = 2,609.03

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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.