Home / 3,851.03-5,776.64-2,206.79

Finding the Fourth Proportional to 3,851.03, 5,776.64 and 2,206.79

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Solution

The fourth proportional to 3,851.03, 5,776.64 and 2,206.79 is: 3,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.03 : 5,776.64 = 2,206.79 : x
  2. Step 2: Convert to fraction form
    3,851.03/5,776.64 = 2,206.79/x
  3. Step 3: Cross multiply
    3,851.03x = 5,776.64 × 2,206.79
  4. Step 4: Simplify right side
    3,851.03x = 12,747,820.35
  5. Step 5: Solve for x
    x = 12,747,820.35/3,851.03
  6. Step 6: Final answer
    x = 3,310.24

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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.