Home / 3,664.93-5,486.07-2,965.78

Finding the Fourth Proportional to 3,664.93, 5,486.07 and 2,965.78

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Solution

The fourth proportional to 3,664.93, 5,486.07 and 2,965.78 is: 4,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.93 : 5,486.07 = 2,965.78 : x
  2. Step 2: Convert to fraction form
    3,664.93/5,486.07 = 2,965.78/x
  3. Step 3: Cross multiply
    3,664.93x = 5,486.07 × 2,965.78
  4. Step 4: Simplify right side
    3,664.93x = 16,270,476.68
  5. Step 5: Solve for x
    x = 16,270,476.68/3,664.93
  6. Step 6: Final answer
    x = 4,439.51

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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.