Home / 2,222.16-3,331.40-1,295.44

Finding the Fourth Proportional to 2,222.16, 3,331.40 and 1,295.44

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Solution

The fourth proportional to 2,222.16, 3,331.40 and 1,295.44 is: 1,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.16 : 3,331.40 = 1,295.44 : x
  2. Step 2: Convert to fraction form
    2,222.16/3,331.40 = 1,295.44/x
  3. Step 3: Cross multiply
    2,222.16x = 3,331.40 × 1,295.44
  4. Step 4: Simplify right side
    2,222.16x = 4,315,628.82
  5. Step 5: Solve for x
    x = 4,315,628.82/2,222.16
  6. Step 6: Final answer
    x = 1,942.09

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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.