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Finding the Fourth Proportional to 2,011.19, 3,016.68 and 550.34

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Solution

The fourth proportional to 2,011.19, 3,016.68 and 550.34 is: 825.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.19 : 3,016.68 = 550.34 : x
  2. Step 2: Convert to fraction form
    2,011.19/3,016.68 = 550.34/x
  3. Step 3: Cross multiply
    2,011.19x = 3,016.68 × 550.34
  4. Step 4: Simplify right side
    2,011.19x = 1,660,196.92
  5. Step 5: Solve for x
    x = 1,660,196.92/2,011.19
  6. Step 6: Final answer
    x = 825.48

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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.