Home / 3,216.87-4,439.16-1,819.62

Finding the Fourth Proportional to 3,216.87, 4,439.16 and 1,819.62

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Solution

The fourth proportional to 3,216.87, 4,439.16 and 1,819.62 is: 2,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.87 : 4,439.16 = 1,819.62 : x
  2. Step 2: Convert to fraction form
    3,216.87/4,439.16 = 1,819.62/x
  3. Step 3: Cross multiply
    3,216.87x = 4,439.16 × 1,819.62
  4. Step 4: Simplify right side
    3,216.87x = 8,077,584.32
  5. Step 5: Solve for x
    x = 8,077,584.32/3,216.87
  6. Step 6: Final answer
    x = 2,511.01

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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.