Home / 2,858.44-3,940.19-2,629.32

Finding the Fourth Proportional to 2,858.44, 3,940.19 and 2,629.32

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Solution

The fourth proportional to 2,858.44, 3,940.19 and 2,629.32 is: 3,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.44 : 3,940.19 = 2,629.32 : x
  2. Step 2: Convert to fraction form
    2,858.44/3,940.19 = 2,629.32/x
  3. Step 3: Cross multiply
    2,858.44x = 3,940.19 × 2,629.32
  4. Step 4: Simplify right side
    2,858.44x = 10,360,020.37
  5. Step 5: Solve for x
    x = 10,360,020.37/2,858.44
  6. Step 6: Final answer
    x = 3,624.36

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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.