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Finding the Fourth Proportional to 3,162.68, 4,744.04 and 2,006

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Solution

The fourth proportional to 3,162.68, 4,744.04 and 2,006 is: 3,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.68 : 4,744.04 = 2,006 : x
  2. Step 2: Convert to fraction form
    3,162.68/4,744.04 = 2,006/x
  3. Step 3: Cross multiply
    3,162.68x = 4,744.04 × 2,006
  4. Step 4: Simplify right side
    3,162.68x = 9,516,544.24
  5. Step 5: Solve for x
    x = 9,516,544.24/3,162.68
  6. Step 6: Final answer
    x = 3,009.01

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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.