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Finding the Fourth Proportional to 3,295.44, 4,930.99 and 1,979.98

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Solution

The fourth proportional to 3,295.44, 4,930.99 and 1,979.98 is: 2,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.44 : 4,930.99 = 1,979.98 : x
  2. Step 2: Convert to fraction form
    3,295.44/4,930.99 = 1,979.98/x
  3. Step 3: Cross multiply
    3,295.44x = 4,930.99 × 1,979.98
  4. Step 4: Simplify right side
    3,295.44x = 9,763,261.58
  5. Step 5: Solve for x
    x = 9,763,261.58/3,295.44
  6. Step 6: Final answer
    x = 2,962.66

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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.