Home / 3,529.18-5,279.10-3,208.42

Finding the Fourth Proportional to 3,529.18, 5,279.10 and 3,208.42

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Solution

The fourth proportional to 3,529.18, 5,279.10 and 3,208.42 is: 4,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.18 : 5,279.10 = 3,208.42 : x
  2. Step 2: Convert to fraction form
    3,529.18/5,279.10 = 3,208.42/x
  3. Step 3: Cross multiply
    3,529.18x = 5,279.10 × 3,208.42
  4. Step 4: Simplify right side
    3,529.18x = 16,937,570.02
  5. Step 5: Solve for x
    x = 16,937,570.02/3,529.18
  6. Step 6: Final answer
    x = 4,799.29

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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.