Home / 2,828.20-4,239.26-1,183.52

Finding the Fourth Proportional to 2,828.20, 4,239.26 and 1,183.52

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Solution

The fourth proportional to 2,828.20, 4,239.26 and 1,183.52 is: 1,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.20 : 4,239.26 = 1,183.52 : x
  2. Step 2: Convert to fraction form
    2,828.20/4,239.26 = 1,183.52/x
  3. Step 3: Cross multiply
    2,828.20x = 4,239.26 × 1,183.52
  4. Step 4: Simplify right side
    2,828.20x = 5,017,249.00
  5. Step 5: Solve for x
    x = 5,017,249.00/2,828.20
  6. Step 6: Final answer
    x = 1,774.01

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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.