Home / 3,668.11-5,062.01-1,989.55

Finding the Fourth Proportional to 3,668.11, 5,062.01 and 1,989.55

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Solution

The fourth proportional to 3,668.11, 5,062.01 and 1,989.55 is: 2,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.11 : 5,062.01 = 1,989.55 : x
  2. Step 2: Convert to fraction form
    3,668.11/5,062.01 = 1,989.55/x
  3. Step 3: Cross multiply
    3,668.11x = 5,062.01 × 1,989.55
  4. Step 4: Simplify right side
    3,668.11x = 10,071,086.74
  5. Step 5: Solve for x
    x = 10,071,086.74/3,668.11
  6. Step 6: Final answer
    x = 2,745.58

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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.