Home / 3,981.18-5,966.64-2,226.11

Finding the Fourth Proportional to 3,981.18, 5,966.64 and 2,226.11

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Solution

The fourth proportional to 3,981.18, 5,966.64 and 2,226.11 is: 3,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.18 : 5,966.64 = 2,226.11 : x
  2. Step 2: Convert to fraction form
    3,981.18/5,966.64 = 2,226.11/x
  3. Step 3: Cross multiply
    3,981.18x = 5,966.64 × 2,226.11
  4. Step 4: Simplify right side
    3,981.18x = 13,282,396.97
  5. Step 5: Solve for x
    x = 13,282,396.97/3,981.18
  6. Step 6: Final answer
    x = 3,336.30

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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.