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Finding the Fourth Proportional to 2,006.92, 3,006 and 1,656.31

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Solution

The fourth proportional to 2,006.92, 3,006 and 1,656.31 is: 2,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.92 : 3,006 = 1,656.31 : x
  2. Step 2: Convert to fraction form
    2,006.92/3,006 = 1,656.31/x
  3. Step 3: Cross multiply
    2,006.92x = 3,006 × 1,656.31
  4. Step 4: Simplify right side
    2,006.92x = 4,978,867.86
  5. Step 5: Solve for x
    x = 4,978,867.86/2,006.92
  6. Step 6: Final answer
    x = 2,480.85

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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.