Home / 3,216.68-4,821.36-1,366.64

Finding the Fourth Proportional to 3,216.68, 4,821.36 and 1,366.64

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Solution

The fourth proportional to 3,216.68, 4,821.36 and 1,366.64 is: 2,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.68 : 4,821.36 = 1,366.64 : x
  2. Step 2: Convert to fraction form
    3,216.68/4,821.36 = 1,366.64/x
  3. Step 3: Cross multiply
    3,216.68x = 4,821.36 × 1,366.64
  4. Step 4: Simplify right side
    3,216.68x = 6,589,063.43
  5. Step 5: Solve for x
    x = 6,589,063.43/3,216.68
  6. Step 6: Final answer
    x = 2,048.41

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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.