Home / 3,451.62-4,763.31-1,879.71

Finding the Fourth Proportional to 3,451.62, 4,763.31 and 1,879.71

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Solution

The fourth proportional to 3,451.62, 4,763.31 and 1,879.71 is: 2,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.62 : 4,763.31 = 1,879.71 : x
  2. Step 2: Convert to fraction form
    3,451.62/4,763.31 = 1,879.71/x
  3. Step 3: Cross multiply
    3,451.62x = 4,763.31 × 1,879.71
  4. Step 4: Simplify right side
    3,451.62x = 8,953,641.44
  5. Step 5: Solve for x
    x = 8,953,641.44/3,451.62
  6. Step 6: Final answer
    x = 2,594.04

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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.