Home / 1,883.11-2,824.70-1,108.56

Finding the Fourth Proportional to 1,883.11, 2,824.70 and 1,108.56

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Solution

The fourth proportional to 1,883.11, 2,824.70 and 1,108.56 is: 1,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.11 : 2,824.70 = 1,108.56 : x
  2. Step 2: Convert to fraction form
    1,883.11/2,824.70 = 1,108.56/x
  3. Step 3: Cross multiply
    1,883.11x = 2,824.70 × 1,108.56
  4. Step 4: Simplify right side
    1,883.11x = 3,131,349.43
  5. Step 5: Solve for x
    x = 3,131,349.43/1,883.11
  6. Step 6: Final answer
    x = 1,662.86

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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.