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Finding the Fourth Proportional to 3,668.11, 5,062.04 and 2,012.11

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Solution

The fourth proportional to 3,668.11, 5,062.04 and 2,012.11 is: 2,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.11 : 5,062.04 = 2,012.11 : x
  2. Step 2: Convert to fraction form
    3,668.11/5,062.04 = 2,012.11/x
  3. Step 3: Cross multiply
    3,668.11x = 5,062.04 × 2,012.11
  4. Step 4: Simplify right side
    3,668.11x = 10,185,371.24
  5. Step 5: Solve for x
    x = 10,185,371.24/3,668.11
  6. Step 6: Final answer
    x = 2,776.74

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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.