Home / 3,986.55-5,982.30-1,795.32

Finding the Fourth Proportional to 3,986.55, 5,982.30 and 1,795.32

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Solution

The fourth proportional to 3,986.55, 5,982.30 and 1,795.32 is: 2,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.55 : 5,982.30 = 1,795.32 : x
  2. Step 2: Convert to fraction form
    3,986.55/5,982.30 = 1,795.32/x
  3. Step 3: Cross multiply
    3,986.55x = 5,982.30 × 1,795.32
  4. Step 4: Simplify right side
    3,986.55x = 10,740,142.84
  5. Step 5: Solve for x
    x = 10,740,142.84/3,986.55
  6. Step 6: Final answer
    x = 2,694.09

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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.