Home / 3,451.79-4,763.55-1,879.88

Finding the Fourth Proportional to 3,451.79, 4,763.55 and 1,879.88

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Solution

The fourth proportional to 3,451.79, 4,763.55 and 1,879.88 is: 2,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.79 : 4,763.55 = 1,879.88 : x
  2. Step 2: Convert to fraction form
    3,451.79/4,763.55 = 1,879.88/x
  3. Step 3: Cross multiply
    3,451.79x = 4,763.55 × 1,879.88
  4. Step 4: Simplify right side
    3,451.79x = 8,954,902.37
  5. Step 5: Solve for x
    x = 8,954,902.37/3,451.79
  6. Step 6: Final answer
    x = 2,594.28

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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.