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Finding the Fourth Proportional to 3,873, 5,344.74 and 2,104.62

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Solution

The fourth proportional to 3,873, 5,344.74 and 2,104.62 is: 2,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873 : 5,344.74 = 2,104.62 : x
  2. Step 2: Convert to fraction form
    3,873/5,344.74 = 2,104.62/x
  3. Step 3: Cross multiply
    3,873x = 5,344.74 × 2,104.62
  4. Step 4: Simplify right side
    3,873x = 11,248,646.70
  5. Step 5: Solve for x
    x = 11,248,646.70/3,873
  6. Step 6: Final answer
    x = 2,904.38

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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.