Home / 2,408.22-3,606.48-1,431.36

Finding the Fourth Proportional to 2,408.22, 3,606.48 and 1,431.36

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Solution

The fourth proportional to 2,408.22, 3,606.48 and 1,431.36 is: 2,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.22 : 3,606.48 = 1,431.36 : x
  2. Step 2: Convert to fraction form
    2,408.22/3,606.48 = 1,431.36/x
  3. Step 3: Cross multiply
    2,408.22x = 3,606.48 × 1,431.36
  4. Step 4: Simplify right side
    2,408.22x = 5,162,171.21
  5. Step 5: Solve for x
    x = 5,162,171.21/2,408.22
  6. Step 6: Final answer
    x = 2,143.56

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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.