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Finding the Fourth Proportional to 3,708.96, 5,563.44 and 2,974.92

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Solution

The fourth proportional to 3,708.96, 5,563.44 and 2,974.92 is: 4,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.96 : 5,563.44 = 2,974.92 : x
  2. Step 2: Convert to fraction form
    3,708.96/5,563.44 = 2,974.92/x
  3. Step 3: Cross multiply
    3,708.96x = 5,563.44 × 2,974.92
  4. Step 4: Simplify right side
    3,708.96x = 16,550,788.92
  5. Step 5: Solve for x
    x = 16,550,788.92/3,708.96
  6. Step 6: Final answer
    x = 4,462.38

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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.