Home / 2,899.37-3,998.19-2,481.11

Finding the Fourth Proportional to 2,899.37, 3,998.19 and 2,481.11

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Solution

The fourth proportional to 2,899.37, 3,998.19 and 2,481.11 is: 3,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.37 : 3,998.19 = 2,481.11 : x
  2. Step 2: Convert to fraction form
    2,899.37/3,998.19 = 2,481.11/x
  3. Step 3: Cross multiply
    2,899.37x = 3,998.19 × 2,481.11
  4. Step 4: Simplify right side
    2,899.37x = 9,919,949.19
  5. Step 5: Solve for x
    x = 9,919,949.19/2,899.37
  6. Step 6: Final answer
    x = 3,421.42

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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.