Home / 3,629.73-5,008.87-2,137.71

Finding the Fourth Proportional to 3,629.73, 5,008.87 and 2,137.71

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Solution

The fourth proportional to 3,629.73, 5,008.87 and 2,137.71 is: 2,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.73 : 5,008.87 = 2,137.71 : x
  2. Step 2: Convert to fraction form
    3,629.73/5,008.87 = 2,137.71/x
  3. Step 3: Cross multiply
    3,629.73x = 5,008.87 × 2,137.71
  4. Step 4: Simplify right side
    3,629.73x = 10,707,486.44
  5. Step 5: Solve for x
    x = 10,707,486.44/3,629.73
  6. Step 6: Final answer
    x = 2,949.94

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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.