Home / 3,764.16-5,194.68-2,272.80

Finding the Fourth Proportional to 3,764.16, 5,194.68 and 2,272.80

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Solution

The fourth proportional to 3,764.16, 5,194.68 and 2,272.80 is: 3,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.16 : 5,194.68 = 2,272.80 : x
  2. Step 2: Convert to fraction form
    3,764.16/5,194.68 = 2,272.80/x
  3. Step 3: Cross multiply
    3,764.16x = 5,194.68 × 2,272.80
  4. Step 4: Simplify right side
    3,764.16x = 11,806,468.70
  5. Step 5: Solve for x
    x = 11,806,468.70/3,764.16
  6. Step 6: Final answer
    x = 3,136.55

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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.