Home / 3,226.72-4,827.64-2,857.36

Finding the Fourth Proportional to 3,226.72, 4,827.64 and 2,857.36

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Solution

The fourth proportional to 3,226.72, 4,827.64 and 2,857.36 is: 4,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.72 : 4,827.64 = 2,857.36 : x
  2. Step 2: Convert to fraction form
    3,226.72/4,827.64 = 2,857.36/x
  3. Step 3: Cross multiply
    3,226.72x = 4,827.64 × 2,857.36
  4. Step 4: Simplify right side
    3,226.72x = 13,794,305.43
  5. Step 5: Solve for x
    x = 13,794,305.43/3,226.72
  6. Step 6: Final answer
    x = 4,275.02

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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.