Home / 3,606.97-4,977.68-2,115.96

Finding the Fourth Proportional to 3,606.97, 4,977.68 and 2,115.96

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Solution

The fourth proportional to 3,606.97, 4,977.68 and 2,115.96 is: 2,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.97 : 4,977.68 = 2,115.96 : x
  2. Step 2: Convert to fraction form
    3,606.97/4,977.68 = 2,115.96/x
  3. Step 3: Cross multiply
    3,606.97x = 4,977.68 × 2,115.96
  4. Step 4: Simplify right side
    3,606.97x = 10,532,536.30
  5. Step 5: Solve for x
    x = 10,532,536.30/3,606.97
  6. Step 6: Final answer
    x = 2,920.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.