Home / 2,879.82-4,313.72-2,672.26

Finding the Fourth Proportional to 2,879.82, 4,313.72 and 2,672.26

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Solution

The fourth proportional to 2,879.82, 4,313.72 and 2,672.26 is: 4,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.82 : 4,313.72 = 2,672.26 : x
  2. Step 2: Convert to fraction form
    2,879.82/4,313.72 = 2,672.26/x
  3. Step 3: Cross multiply
    2,879.82x = 4,313.72 × 2,672.26
  4. Step 4: Simplify right side
    2,879.82x = 11,527,377.30
  5. Step 5: Solve for x
    x = 11,527,377.30/2,879.82
  6. Step 6: Final answer
    x = 4,002.81

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1.5x scale

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.