Home / 3,863.90-5,796.06-1,891.35

Finding the Fourth Proportional to 3,863.90, 5,796.06 and 1,891.35

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Solution

The fourth proportional to 3,863.90, 5,796.06 and 1,891.35 is: 2,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.90 : 5,796.06 = 1,891.35 : x
  2. Step 2: Convert to fraction form
    3,863.90/5,796.06 = 1,891.35/x
  3. Step 3: Cross multiply
    3,863.90x = 5,796.06 × 1,891.35
  4. Step 4: Simplify right side
    3,863.90x = 10,962,370.99
  5. Step 5: Solve for x
    x = 10,962,370.99/3,863.90
  6. Step 6: Final answer
    x = 2,837.12

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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.