Home / 3,230.94-4,458.36-2,168.49

Finding the Fourth Proportional to 3,230.94, 4,458.36 and 2,168.49

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Solution

The fourth proportional to 3,230.94, 4,458.36 and 2,168.49 is: 2,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.94 : 4,458.36 = 2,168.49 : x
  2. Step 2: Convert to fraction form
    3,230.94/4,458.36 = 2,168.49/x
  3. Step 3: Cross multiply
    3,230.94x = 4,458.36 × 2,168.49
  4. Step 4: Simplify right side
    3,230.94x = 9,667,933.93
  5. Step 5: Solve for x
    x = 9,667,933.93/3,230.94
  6. Step 6: Final answer
    x = 2,992.29

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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.