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Finding the Fourth Proportional to 2,652.52, 3,661.50 and 1,906.60

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Solution

The fourth proportional to 2,652.52, 3,661.50 and 1,906.60 is: 2,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.52 : 3,661.50 = 1,906.60 : x
  2. Step 2: Convert to fraction form
    2,652.52/3,661.50 = 1,906.60/x
  3. Step 3: Cross multiply
    2,652.52x = 3,661.50 × 1,906.60
  4. Step 4: Simplify right side
    2,652.52x = 6,981,015.90
  5. Step 5: Solve for x
    x = 6,981,015.90/2,652.52
  6. Step 6: Final answer
    x = 2,631.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.