Home / 3,188.41-4,399.61-2,009.25

Finding the Fourth Proportional to 3,188.41, 4,399.61 and 2,009.25

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Solution

The fourth proportional to 3,188.41, 4,399.61 and 2,009.25 is: 2,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.41 : 4,399.61 = 2,009.25 : x
  2. Step 2: Convert to fraction form
    3,188.41/4,399.61 = 2,009.25/x
  3. Step 3: Cross multiply
    3,188.41x = 4,399.61 × 2,009.25
  4. Step 4: Simplify right side
    3,188.41x = 8,839,906.35
  5. Step 5: Solve for x
    x = 8,839,906.35/3,188.41
  6. Step 6: Final answer
    x = 2,772.51

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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.