Home / 3,766.06-5,196.84-2,172.16

Finding the Fourth Proportional to 3,766.06, 5,196.84 and 2,172.16

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Solution

The fourth proportional to 3,766.06, 5,196.84 and 2,172.16 is: 2,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.06 : 5,196.84 = 2,172.16 : x
  2. Step 2: Convert to fraction form
    3,766.06/5,196.84 = 2,172.16/x
  3. Step 3: Cross multiply
    3,766.06x = 5,196.84 × 2,172.16
  4. Step 4: Simplify right side
    3,766.06x = 11,288,367.97
  5. Step 5: Solve for x
    x = 11,288,367.97/3,766.06
  6. Step 6: Final answer
    x = 2,997.39

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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.