Home / 2,608.05-3,908.41-1,874.19

Finding the Fourth Proportional to 2,608.05, 3,908.41 and 1,874.19

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Solution

The fourth proportional to 2,608.05, 3,908.41 and 1,874.19 is: 2,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.05 : 3,908.41 = 1,874.19 : x
  2. Step 2: Convert to fraction form
    2,608.05/3,908.41 = 1,874.19/x
  3. Step 3: Cross multiply
    2,608.05x = 3,908.41 × 1,874.19
  4. Step 4: Simplify right side
    2,608.05x = 7,325,102.94
  5. Step 5: Solve for x
    x = 7,325,102.94/2,608.05
  6. Step 6: Final answer
    x = 2,808.65

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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.