Home / 2,608.22-3,912.47-1,922.96

Finding the Fourth Proportional to 2,608.22, 3,912.47 and 1,922.96

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Solution

The fourth proportional to 2,608.22, 3,912.47 and 1,922.96 is: 2,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.22 : 3,912.47 = 1,922.96 : x
  2. Step 2: Convert to fraction form
    2,608.22/3,912.47 = 1,922.96/x
  3. Step 3: Cross multiply
    2,608.22x = 3,912.47 × 1,922.96
  4. Step 4: Simplify right side
    2,608.22x = 7,523,494.13
  5. Step 5: Solve for x
    x = 7,523,494.13/2,608.22
  6. Step 6: Final answer
    x = 2,884.54

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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.