Home / 2,629.19-3,944.57-1,396.44

Finding the Fourth Proportional to 2,629.19, 3,944.57 and 1,396.44

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Solution

The fourth proportional to 2,629.19, 3,944.57 and 1,396.44 is: 2,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.19 : 3,944.57 = 1,396.44 : x
  2. Step 2: Convert to fraction form
    2,629.19/3,944.57 = 1,396.44/x
  3. Step 3: Cross multiply
    2,629.19x = 3,944.57 × 1,396.44
  4. Step 4: Simplify right side
    2,629.19x = 5,508,348.35
  5. Step 5: Solve for x
    x = 5,508,348.35/2,629.19
  6. Step 6: Final answer
    x = 2,095.07

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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.