Home / 3,179.37-4,764.43-2,788.41

Finding the Fourth Proportional to 3,179.37, 4,764.43 and 2,788.41

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Solution

The fourth proportional to 3,179.37, 4,764.43 and 2,788.41 is: 4,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.37 : 4,764.43 = 2,788.41 : x
  2. Step 2: Convert to fraction form
    3,179.37/4,764.43 = 2,788.41/x
  3. Step 3: Cross multiply
    3,179.37x = 4,764.43 × 2,788.41
  4. Step 4: Simplify right side
    3,179.37x = 13,285,184.26
  5. Step 5: Solve for x
    x = 13,285,184.26/3,179.37
  6. Step 6: Final answer
    x = 4,178.56

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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.