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Finding the Fourth Proportional to 3,164.64, 4,746.96 and 2,006.88

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Solution

The fourth proportional to 3,164.64, 4,746.96 and 2,006.88 is: 3,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.64 : 4,746.96 = 2,006.88 : x
  2. Step 2: Convert to fraction form
    3,164.64/4,746.96 = 2,006.88/x
  3. Step 3: Cross multiply
    3,164.64x = 4,746.96 × 2,006.88
  4. Step 4: Simplify right side
    3,164.64x = 9,526,579.08
  5. Step 5: Solve for x
    x = 9,526,579.08/3,164.64
  6. Step 6: Final answer
    x = 3,010.32

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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.