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Finding the Fourth Proportional to 3,294.80, 4,940.60 and 1,832.40

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Solution

The fourth proportional to 3,294.80, 4,940.60 and 1,832.40 is: 2,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.80 : 4,940.60 = 1,832.40 : x
  2. Step 2: Convert to fraction form
    3,294.80/4,940.60 = 1,832.40/x
  3. Step 3: Cross multiply
    3,294.80x = 4,940.60 × 1,832.40
  4. Step 4: Simplify right side
    3,294.80x = 9,053,155.44
  5. Step 5: Solve for x
    x = 9,053,155.44/3,294.80
  6. Step 6: Final answer
    x = 2,747.71

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1.5x scale

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.