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Finding the Fourth Proportional to 3,635.84, 5,454.22 and 3,579.55

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Solution

The fourth proportional to 3,635.84, 5,454.22 and 3,579.55 is: 5,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.84 : 5,454.22 = 3,579.55 : x
  2. Step 2: Convert to fraction form
    3,635.84/5,454.22 = 3,579.55/x
  3. Step 3: Cross multiply
    3,635.84x = 5,454.22 × 3,579.55
  4. Step 4: Simplify right side
    3,635.84x = 19,523,653.20
  5. Step 5: Solve for x
    x = 19,523,653.20/3,635.84
  6. Step 6: Final answer
    x = 5,369.78

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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.