Home / 3,967.83-5,475.92-2,199.78

Finding the Fourth Proportional to 3,967.83, 5,475.92 and 2,199.78

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Solution

The fourth proportional to 3,967.83, 5,475.92 and 2,199.78 is: 3,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.83 : 5,475.92 = 2,199.78 : x
  2. Step 2: Convert to fraction form
    3,967.83/5,475.92 = 2,199.78/x
  3. Step 3: Cross multiply
    3,967.83x = 5,475.92 × 2,199.78
  4. Step 4: Simplify right side
    3,967.83x = 12,045,808.30
  5. Step 5: Solve for x
    x = 12,045,808.30/3,967.83
  6. Step 6: Final answer
    x = 3,035.87

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