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Finding the Fourth Proportional to 2,226.05, 3,339.05 and 666.03

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Solution

The fourth proportional to 2,226.05, 3,339.05 and 666.03 is: 999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.05 : 3,339.05 = 666.03 : x
  2. Step 2: Convert to fraction form
    2,226.05/3,339.05 = 666.03/x
  3. Step 3: Cross multiply
    2,226.05x = 3,339.05 × 666.03
  4. Step 4: Simplify right side
    2,226.05x = 2,223,904.14
  5. Step 5: Solve for x
    x = 2,223,904.14/2,226.05
  6. Step 6: Final answer
    x = 999.04

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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.