Home / 3,515.56-5,272.91-2,199.43

Finding the Fourth Proportional to 3,515.56, 5,272.91 and 2,199.43

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Solution

The fourth proportional to 3,515.56, 5,272.91 and 2,199.43 is: 3,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.56 : 5,272.91 = 2,199.43 : x
  2. Step 2: Convert to fraction form
    3,515.56/5,272.91 = 2,199.43/x
  3. Step 3: Cross multiply
    3,515.56x = 5,272.91 × 2,199.43
  4. Step 4: Simplify right side
    3,515.56x = 11,597,372.26
  5. Step 5: Solve for x
    x = 11,597,372.26/3,515.56
  6. Step 6: Final answer
    x = 3,298.87

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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.