Home / 3,816.21-5,226.90-3,592.05

Finding the Fourth Proportional to 3,816.21, 5,226.90 and 3,592.05

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Solution

The fourth proportional to 3,816.21, 5,226.90 and 3,592.05 is: 4,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.21 : 5,226.90 = 3,592.05 : x
  2. Step 2: Convert to fraction form
    3,816.21/5,226.90 = 3,592.05/x
  3. Step 3: Cross multiply
    3,816.21x = 5,226.90 × 3,592.05
  4. Step 4: Simplify right side
    3,816.21x = 18,775,286.15
  5. Step 5: Solve for x
    x = 18,775,286.15/3,816.21
  6. Step 6: Final answer
    x = 4,919.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.