Home / 3,205.96-4,424.24-1,879.78

Finding the Fourth Proportional to 3,205.96, 4,424.24 and 1,879.78

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Solution

The fourth proportional to 3,205.96, 4,424.24 and 1,879.78 is: 2,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.96 : 4,424.24 = 1,879.78 : x
  2. Step 2: Convert to fraction form
    3,205.96/4,424.24 = 1,879.78/x
  3. Step 3: Cross multiply
    3,205.96x = 4,424.24 × 1,879.78
  4. Step 4: Simplify right side
    3,205.96x = 8,316,597.87
  5. Step 5: Solve for x
    x = 8,316,597.87/3,205.96
  6. Step 6: Final answer
    x = 2,594.11

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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.