Home / 3,967.94-5,475.82-2,199.62

Finding the Fourth Proportional to 3,967.94, 5,475.82 and 2,199.62

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Solution

The fourth proportional to 3,967.94, 5,475.82 and 2,199.62 is: 3,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.94 : 5,475.82 = 2,199.62 : x
  2. Step 2: Convert to fraction form
    3,967.94/5,475.82 = 2,199.62/x
  3. Step 3: Cross multiply
    3,967.94x = 5,475.82 × 2,199.62
  4. Step 4: Simplify right side
    3,967.94x = 12,044,723.19
  5. Step 5: Solve for x
    x = 12,044,723.19/3,967.94
  6. Step 6: Final answer
    x = 3,035.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.