Home / 2,789.08-4,185.66-2,247.79

Finding the Fourth Proportional to 2,789.08, 4,185.66 and 2,247.79

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Solution

The fourth proportional to 2,789.08, 4,185.66 and 2,247.79 is: 3,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.08 : 4,185.66 = 2,247.79 : x
  2. Step 2: Convert to fraction form
    2,789.08/4,185.66 = 2,247.79/x
  3. Step 3: Cross multiply
    2,789.08x = 4,185.66 × 2,247.79
  4. Step 4: Simplify right side
    2,789.08x = 9,408,484.69
  5. Step 5: Solve for x
    x = 9,408,484.69/2,789.08
  6. Step 6: Final answer
    x = 3,373.33

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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.