Home / 1,819.66-2,729.58-1,093.90

Finding the Fourth Proportional to 1,819.66, 2,729.58 and 1,093.90

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Solution

The fourth proportional to 1,819.66, 2,729.58 and 1,093.90 is: 1,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.66 : 2,729.58 = 1,093.90 : x
  2. Step 2: Convert to fraction form
    1,819.66/2,729.58 = 1,093.90/x
  3. Step 3: Cross multiply
    1,819.66x = 2,729.58 × 1,093.90
  4. Step 4: Simplify right side
    1,819.66x = 2,985,887.56
  5. Step 5: Solve for x
    x = 2,985,887.56/1,819.66
  6. Step 6: Final answer
    x = 1,640.90

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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.