Home / 3,977.10-5,965.65-2,008.80

Finding the Fourth Proportional to 3,977.10, 5,965.65 and 2,008.80

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Solution

The fourth proportional to 3,977.10, 5,965.65 and 2,008.80 is: 3,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.10 : 5,965.65 = 2,008.80 : x
  2. Step 2: Convert to fraction form
    3,977.10/5,965.65 = 2,008.80/x
  3. Step 3: Cross multiply
    3,977.10x = 5,965.65 × 2,008.80
  4. Step 4: Simplify right side
    3,977.10x = 11,983,797.72
  5. Step 5: Solve for x
    x = 11,983,797.72/3,977.10
  6. Step 6: Final answer
    x = 3,013.20

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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.