Home / 3,679.08-5,529.60-2,716.80

Finding the Fourth Proportional to 3,679.08, 5,529.60 and 2,716.80

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Solution

The fourth proportional to 3,679.08, 5,529.60 and 2,716.80 is: 4,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.08 : 5,529.60 = 2,716.80 : x
  2. Step 2: Convert to fraction form
    3,679.08/5,529.60 = 2,716.80/x
  3. Step 3: Cross multiply
    3,679.08x = 5,529.60 × 2,716.80
  4. Step 4: Simplify right side
    3,679.08x = 15,022,817.28
  5. Step 5: Solve for x
    x = 15,022,817.28/3,679.08
  6. Step 6: Final answer
    x = 4,083.31

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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.