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Finding the Fourth Proportional to 3,578.92, 4,940.19 and 2,697.23

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Solution

The fourth proportional to 3,578.92, 4,940.19 and 2,697.23 is: 3,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.92 : 4,940.19 = 2,697.23 : x
  2. Step 2: Convert to fraction form
    3,578.92/4,940.19 = 2,697.23/x
  3. Step 3: Cross multiply
    3,578.92x = 4,940.19 × 2,697.23
  4. Step 4: Simplify right side
    3,578.92x = 13,324,841.02
  5. Step 5: Solve for x
    x = 13,324,841.02/3,578.92
  6. Step 6: Final answer
    x = 3,723.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.