Home / 2,808.35-3,874.66-1,629.19

Finding the Fourth Proportional to 2,808.35, 3,874.66 and 1,629.19

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Solution

The fourth proportional to 2,808.35, 3,874.66 and 1,629.19 is: 2,247.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.35 : 3,874.66 = 1,629.19 : x
  2. Step 2: Convert to fraction form
    2,808.35/3,874.66 = 1,629.19/x
  3. Step 3: Cross multiply
    2,808.35x = 3,874.66 × 1,629.19
  4. Step 4: Simplify right side
    2,808.35x = 6,312,557.33
  5. Step 5: Solve for x
    x = 6,312,557.33/2,808.35
  6. Step 6: Final answer
    x = 2,247.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.