Home / 3,722.28-5,583.42-2,786.19

Finding the Fourth Proportional to 3,722.28, 5,583.42 and 2,786.19

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Solution

The fourth proportional to 3,722.28, 5,583.42 and 2,786.19 is: 4,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.28 : 5,583.42 = 2,786.19 : x
  2. Step 2: Convert to fraction form
    3,722.28/5,583.42 = 2,786.19/x
  3. Step 3: Cross multiply
    3,722.28x = 5,583.42 × 2,786.19
  4. Step 4: Simplify right side
    3,722.28x = 15,556,468.97
  5. Step 5: Solve for x
    x = 15,556,468.97/3,722.28
  6. Step 6: Final answer
    x = 4,179.29

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Similar ratio
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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.