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Finding the Fourth Proportional to 3,252.56, 4,878.84 and 1,611.14

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Solution

The fourth proportional to 3,252.56, 4,878.84 and 1,611.14 is: 2,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.56 : 4,878.84 = 1,611.14 : x
  2. Step 2: Convert to fraction form
    3,252.56/4,878.84 = 1,611.14/x
  3. Step 3: Cross multiply
    3,252.56x = 4,878.84 × 1,611.14
  4. Step 4: Simplify right side
    3,252.56x = 7,860,494.28
  5. Step 5: Solve for x
    x = 7,860,494.28/3,252.56
  6. Step 6: Final answer
    x = 2,416.71

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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.