Home / 3,859.08-5,788.44-2,685.66

Finding the Fourth Proportional to 3,859.08, 5,788.44 and 2,685.66

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Solution

The fourth proportional to 3,859.08, 5,788.44 and 2,685.66 is: 4,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.08 : 5,788.44 = 2,685.66 : x
  2. Step 2: Convert to fraction form
    3,859.08/5,788.44 = 2,685.66/x
  3. Step 3: Cross multiply
    3,859.08x = 5,788.44 × 2,685.66
  4. Step 4: Simplify right side
    3,859.08x = 15,545,781.77
  5. Step 5: Solve for x
    x = 15,545,781.77/3,859.08
  6. Step 6: Final answer
    x = 4,028.36

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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.