Home / 2,222.55-3,313.67-2,164.85

Finding the Fourth Proportional to 2,222.55, 3,313.67 and 2,164.85

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Solution

The fourth proportional to 2,222.55, 3,313.67 and 2,164.85 is: 3,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.55 : 3,313.67 = 2,164.85 : x
  2. Step 2: Convert to fraction form
    2,222.55/3,313.67 = 2,164.85/x
  3. Step 3: Cross multiply
    2,222.55x = 3,313.67 × 2,164.85
  4. Step 4: Simplify right side
    2,222.55x = 7,173,571.11
  5. Step 5: Solve for x
    x = 7,173,571.11/2,222.55
  6. Step 6: Final answer
    x = 3,227.63

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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.