Home / 2,806.32-3,874.05-1,626.96

Finding the Fourth Proportional to 2,806.32, 3,874.05 and 1,626.96

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Solution

The fourth proportional to 2,806.32, 3,874.05 and 1,626.96 is: 2,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.32 : 3,874.05 = 1,626.96 : x
  2. Step 2: Convert to fraction form
    2,806.32/3,874.05 = 1,626.96/x
  3. Step 3: Cross multiply
    2,806.32x = 3,874.05 × 1,626.96
  4. Step 4: Simplify right side
    2,806.32x = 6,302,924.39
  5. Step 5: Solve for x
    x = 6,302,924.39/2,806.32
  6. Step 6: Final answer
    x = 2,245.97

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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.