Home / 3,857.05-5,776.24-2,208.61

Finding the Fourth Proportional to 3,857.05, 5,776.24 and 2,208.61

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Solution

The fourth proportional to 3,857.05, 5,776.24 and 2,208.61 is: 3,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.05 : 5,776.24 = 2,208.61 : x
  2. Step 2: Convert to fraction form
    3,857.05/5,776.24 = 2,208.61/x
  3. Step 3: Cross multiply
    3,857.05x = 5,776.24 × 2,208.61
  4. Step 4: Simplify right side
    3,857.05x = 12,757,461.43
  5. Step 5: Solve for x
    x = 12,757,461.43/3,857.05
  6. Step 6: Final answer
    x = 3,307.57

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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.