Home / 3,672.21-5,067.56-1,993.62

Finding the Fourth Proportional to 3,672.21, 5,067.56 and 1,993.62

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Solution

The fourth proportional to 3,672.21, 5,067.56 and 1,993.62 is: 2,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.21 : 5,067.56 = 1,993.62 : x
  2. Step 2: Convert to fraction form
    3,672.21/5,067.56 = 1,993.62/x
  3. Step 3: Cross multiply
    3,672.21x = 5,067.56 × 1,993.62
  4. Step 4: Simplify right side
    3,672.21x = 10,102,763.63
  5. Step 5: Solve for x
    x = 10,102,763.63/3,672.21
  6. Step 6: Final answer
    x = 2,751.14

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1.5x scale

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.