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Finding the Fourth Proportional to 3,690.73, 5,092.90 and 2,097.37

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Solution

The fourth proportional to 3,690.73, 5,092.90 and 2,097.37 is: 2,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.73 : 5,092.90 = 2,097.37 : x
  2. Step 2: Convert to fraction form
    3,690.73/5,092.90 = 2,097.37/x
  3. Step 3: Cross multiply
    3,690.73x = 5,092.90 × 2,097.37
  4. Step 4: Simplify right side
    3,690.73x = 10,681,695.67
  5. Step 5: Solve for x
    x = 10,681,695.67/3,690.73
  6. Step 6: Final answer
    x = 2,894.20

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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.