Home / 3,946.86-5,910.64-2,556.02

Finding the Fourth Proportional to 3,946.86, 5,910.64 and 2,556.02

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Solution

The fourth proportional to 3,946.86, 5,910.64 and 2,556.02 is: 3,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.86 : 5,910.64 = 2,556.02 : x
  2. Step 2: Convert to fraction form
    3,946.86/5,910.64 = 2,556.02/x
  3. Step 3: Cross multiply
    3,946.86x = 5,910.64 × 2,556.02
  4. Step 4: Simplify right side
    3,946.86x = 15,107,722.44
  5. Step 5: Solve for x
    x = 15,107,722.44/3,946.86
  6. Step 6: Final answer
    x = 3,827.78

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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.