Home / 2,222.10-3,333.78-2,222.10

Finding the Fourth Proportional to 2,222.10, 3,333.78 and 2,222.10

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Solution

The fourth proportional to 2,222.10, 3,333.78 and 2,222.10 is: 3,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.10 : 3,333.78 = 2,222.10 : x
  2. Step 2: Convert to fraction form
    2,222.10/3,333.78 = 2,222.10/x
  3. Step 3: Cross multiply
    2,222.10x = 3,333.78 × 2,222.10
  4. Step 4: Simplify right side
    2,222.10x = 7,407,992.54
  5. Step 5: Solve for x
    x = 7,407,992.54/2,222.10
  6. Step 6: Final answer
    x = 3,333.78

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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.