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Finding the Fourth Proportional to 3,529, 5,311.23 and 2,656.03

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Solution

The fourth proportional to 3,529, 5,311.23 and 2,656.03 is: 3,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529 : 5,311.23 = 2,656.03 : x
  2. Step 2: Convert to fraction form
    3,529/5,311.23 = 2,656.03/x
  3. Step 3: Cross multiply
    3,529x = 5,311.23 × 2,656.03
  4. Step 4: Simplify right side
    3,529x = 14,106,759.66
  5. Step 5: Solve for x
    x = 14,106,759.66/3,529
  6. Step 6: Final answer
    x = 3,997.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.