Home / 3,229.64-4,847.34-1,691.72

Finding the Fourth Proportional to 3,229.64, 4,847.34 and 1,691.72

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Solution

The fourth proportional to 3,229.64, 4,847.34 and 1,691.72 is: 2,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.64 : 4,847.34 = 1,691.72 : x
  2. Step 2: Convert to fraction form
    3,229.64/4,847.34 = 1,691.72/x
  3. Step 3: Cross multiply
    3,229.64x = 4,847.34 × 1,691.72
  4. Step 4: Simplify right side
    3,229.64x = 8,200,342.02
  5. Step 5: Solve for x
    x = 8,200,342.02/3,229.64
  6. Step 6: Final answer
    x = 2,539.09

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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.