Home / 3,827.72-5,730.35-2,906.96

Finding the Fourth Proportional to 3,827.72, 5,730.35 and 2,906.96

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Solution

The fourth proportional to 3,827.72, 5,730.35 and 2,906.96 is: 4,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.72 : 5,730.35 = 2,906.96 : x
  2. Step 2: Convert to fraction form
    3,827.72/5,730.35 = 2,906.96/x
  3. Step 3: Cross multiply
    3,827.72x = 5,730.35 × 2,906.96
  4. Step 4: Simplify right side
    3,827.72x = 16,657,855.05
  5. Step 5: Solve for x
    x = 16,657,855.05/3,827.72
  6. Step 6: Final answer
    x = 4,351.90

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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.