Home / 3,997.64-5,986.20-2,763.35

Finding the Fourth Proportional to 3,997.64, 5,986.20 and 2,763.35

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Solution

The fourth proportional to 3,997.64, 5,986.20 and 2,763.35 is: 4,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.64 : 5,986.20 = 2,763.35 : x
  2. Step 2: Convert to fraction form
    3,997.64/5,986.20 = 2,763.35/x
  3. Step 3: Cross multiply
    3,997.64x = 5,986.20 × 2,763.35
  4. Step 4: Simplify right side
    3,997.64x = 16,541,965.77
  5. Step 5: Solve for x
    x = 16,541,965.77/3,997.64
  6. Step 6: Final answer
    x = 4,137.93

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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.