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Finding the Fourth Proportional to 3,269.60, 4,904.40 and 3,245.30

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Solution

The fourth proportional to 3,269.60, 4,904.40 and 3,245.30 is: 4,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.60 : 4,904.40 = 3,245.30 : x
  2. Step 2: Convert to fraction form
    3,269.60/4,904.40 = 3,245.30/x
  3. Step 3: Cross multiply
    3,269.60x = 4,904.40 × 3,245.30
  4. Step 4: Simplify right side
    3,269.60x = 15,916,249.32
  5. Step 5: Solve for x
    x = 15,916,249.32/3,269.60
  6. Step 6: Final answer
    x = 4,867.95

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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.