Home / 2,816.27-4,224.39-2,199.05

Finding the Fourth Proportional to 2,816.27, 4,224.39 and 2,199.05

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Solution

The fourth proportional to 2,816.27, 4,224.39 and 2,199.05 is: 3,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.27 : 4,224.39 = 2,199.05 : x
  2. Step 2: Convert to fraction form
    2,816.27/4,224.39 = 2,199.05/x
  3. Step 3: Cross multiply
    2,816.27x = 4,224.39 × 2,199.05
  4. Step 4: Simplify right side
    2,816.27x = 9,289,623.71
  5. Step 5: Solve for x
    x = 9,289,623.71/2,816.27
  6. Step 6: Final answer
    x = 3,298.56

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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.