Home / 2,226.35-3,318.74-2,192.56

Finding the Fourth Proportional to 2,226.35, 3,318.74 and 2,192.56

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Solution

The fourth proportional to 2,226.35, 3,318.74 and 2,192.56 is: 3,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.35 : 3,318.74 = 2,192.56 : x
  2. Step 2: Convert to fraction form
    2,226.35/3,318.74 = 2,192.56/x
  3. Step 3: Cross multiply
    2,226.35x = 3,318.74 × 2,192.56
  4. Step 4: Simplify right side
    2,226.35x = 7,276,536.57
  5. Step 5: Solve for x
    x = 7,276,536.57/2,226.35
  6. Step 6: Final answer
    x = 3,268.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.