Home / 3,951.08-5,924.16-2,720

Finding the Fourth Proportional to 3,951.08, 5,924.16 and 2,720

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Solution

The fourth proportional to 3,951.08, 5,924.16 and 2,720 is: 4,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.08 : 5,924.16 = 2,720 : x
  2. Step 2: Convert to fraction form
    3,951.08/5,924.16 = 2,720/x
  3. Step 3: Cross multiply
    3,951.08x = 5,924.16 × 2,720
  4. Step 4: Simplify right side
    3,951.08x = 16,113,715.20
  5. Step 5: Solve for x
    x = 16,113,715.20/3,951.08
  6. Step 6: Final answer
    x = 4,078.31

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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.