Home / 3,668.45-5,499.33-1,911.38

Finding the Fourth Proportional to 3,668.45, 5,499.33 and 1,911.38

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Solution

The fourth proportional to 3,668.45, 5,499.33 and 1,911.38 is: 2,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.45 : 5,499.33 = 1,911.38 : x
  2. Step 2: Convert to fraction form
    3,668.45/5,499.33 = 1,911.38/x
  3. Step 3: Cross multiply
    3,668.45x = 5,499.33 × 1,911.38
  4. Step 4: Simplify right side
    3,668.45x = 10,511,309.38
  5. Step 5: Solve for x
    x = 10,511,309.38/3,668.45
  6. Step 6: Final answer
    x = 2,865.33

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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.