Home / 2,882.13-3,976.31-1,887.96

Finding the Fourth Proportional to 2,882.13, 3,976.31 and 1,887.96

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Solution

The fourth proportional to 2,882.13, 3,976.31 and 1,887.96 is: 2,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.13 : 3,976.31 = 1,887.96 : x
  2. Step 2: Convert to fraction form
    2,882.13/3,976.31 = 1,887.96/x
  3. Step 3: Cross multiply
    2,882.13x = 3,976.31 × 1,887.96
  4. Step 4: Simplify right side
    2,882.13x = 7,507,114.23
  5. Step 5: Solve for x
    x = 7,507,114.23/2,882.13
  6. Step 6: Final answer
    x = 2,604.71

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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.