Home / 3,629.88-5,009.38-2,137.73

Finding the Fourth Proportional to 3,629.88, 5,009.38 and 2,137.73

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Solution

The fourth proportional to 3,629.88, 5,009.38 and 2,137.73 is: 2,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.88 : 5,009.38 = 2,137.73 : x
  2. Step 2: Convert to fraction form
    3,629.88/5,009.38 = 2,137.73/x
  3. Step 3: Cross multiply
    3,629.88x = 5,009.38 × 2,137.73
  4. Step 4: Simplify right side
    3,629.88x = 10,708,671.52
  5. Step 5: Solve for x
    x = 10,708,671.52/3,629.88
  6. Step 6: Final answer
    x = 2,950.14

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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.