Home / 3,185.06-4,771.94-2,718.09

Finding the Fourth Proportional to 3,185.06, 4,771.94 and 2,718.09

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Solution

The fourth proportional to 3,185.06, 4,771.94 and 2,718.09 is: 4,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.06 : 4,771.94 = 2,718.09 : x
  2. Step 2: Convert to fraction form
    3,185.06/4,771.94 = 2,718.09/x
  3. Step 3: Cross multiply
    3,185.06x = 4,771.94 × 2,718.09
  4. Step 4: Simplify right side
    3,185.06x = 12,970,548.80
  5. Step 5: Solve for x
    x = 12,970,548.80/3,185.06
  6. Step 6: Final answer
    x = 4,072.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.