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Finding the Fourth Proportional to 2,000.11, 3,000.22 and 539.26

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Solution

The fourth proportional to 2,000.11, 3,000.22 and 539.26 is: 808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.11 : 3,000.22 = 539.26 : x
  2. Step 2: Convert to fraction form
    2,000.11/3,000.22 = 539.26/x
  3. Step 3: Cross multiply
    2,000.11x = 3,000.22 × 539.26
  4. Step 4: Simplify right side
    2,000.11x = 1,617,898.64
  5. Step 5: Solve for x
    x = 1,617,898.64/2,000.11
  6. Step 6: Final answer
    x = 808.90

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1.5x scale

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.