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Finding the Fourth Proportional to 2,110.52, 3,165.98 and 550.54

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Solution

The fourth proportional to 2,110.52, 3,165.98 and 550.54 is: 825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.52 : 3,165.98 = 550.54 : x
  2. Step 2: Convert to fraction form
    2,110.52/3,165.98 = 550.54/x
  3. Step 3: Cross multiply
    2,110.52x = 3,165.98 × 550.54
  4. Step 4: Simplify right side
    2,110.52x = 1,742,998.63
  5. Step 5: Solve for x
    x = 1,742,998.63/2,110.52
  6. Step 6: Final answer
    x = 825.86

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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.