Home / 2,068.22-2,855.12-1,183.85

Finding the Fourth Proportional to 2,068.22, 2,855.12 and 1,183.85

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Solution

The fourth proportional to 2,068.22, 2,855.12 and 1,183.85 is: 1,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.22 : 2,855.12 = 1,183.85 : x
  2. Step 2: Convert to fraction form
    2,068.22/2,855.12 = 1,183.85/x
  3. Step 3: Cross multiply
    2,068.22x = 2,855.12 × 1,183.85
  4. Step 4: Simplify right side
    2,068.22x = 3,380,013.62
  5. Step 5: Solve for x
    x = 3,380,013.62/2,068.22
  6. Step 6: Final answer
    x = 1,634.27

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1.5x scale

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.