Home / 3,066.72-4,589.94-2,639.04

Finding the Fourth Proportional to 3,066.72, 4,589.94 and 2,639.04

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Solution

The fourth proportional to 3,066.72, 4,589.94 and 2,639.04 is: 3,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.72 : 4,589.94 = 2,639.04 : x
  2. Step 2: Convert to fraction form
    3,066.72/4,589.94 = 2,639.04/x
  3. Step 3: Cross multiply
    3,066.72x = 4,589.94 × 2,639.04
  4. Step 4: Simplify right side
    3,066.72x = 12,113,035.26
  5. Step 5: Solve for x
    x = 12,113,035.26/3,066.72
  6. Step 6: Final answer
    x = 3,949.83

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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.