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Finding the Fourth Proportional to 2,408.68, 3,608.40 and 1,481.50

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Solution

The fourth proportional to 2,408.68, 3,608.40 and 1,481.50 is: 2,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.68 : 3,608.40 = 1,481.50 : x
  2. Step 2: Convert to fraction form
    2,408.68/3,608.40 = 1,481.50/x
  3. Step 3: Cross multiply
    2,408.68x = 3,608.40 × 1,481.50
  4. Step 4: Simplify right side
    2,408.68x = 5,345,844.60
  5. Step 5: Solve for x
    x = 5,345,844.60/2,408.68
  6. Step 6: Final answer
    x = 2,219.41

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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.