Home / 3,899.88-5,851.64-2,257.81

Finding the Fourth Proportional to 3,899.88, 5,851.64 and 2,257.81

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Solution

The fourth proportional to 3,899.88, 5,851.64 and 2,257.81 is: 3,387.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.88 : 5,851.64 = 2,257.81 : x
  2. Step 2: Convert to fraction form
    3,899.88/5,851.64 = 2,257.81/x
  3. Step 3: Cross multiply
    3,899.88x = 5,851.64 × 2,257.81
  4. Step 4: Simplify right side
    3,899.88x = 13,211,891.31
  5. Step 5: Solve for x
    x = 13,211,891.31/3,899.88
  6. Step 6: Final answer
    x = 3,387.77

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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.