Home / 3,218.91-4,828.88-1,244.44

Finding the Fourth Proportional to 3,218.91, 4,828.88 and 1,244.44

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Solution

The fourth proportional to 3,218.91, 4,828.88 and 1,244.44 is: 1,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.91 : 4,828.88 = 1,244.44 : x
  2. Step 2: Convert to fraction form
    3,218.91/4,828.88 = 1,244.44/x
  3. Step 3: Cross multiply
    3,218.91x = 4,828.88 × 1,244.44
  4. Step 4: Simplify right side
    3,218.91x = 6,009,251.43
  5. Step 5: Solve for x
    x = 6,009,251.43/3,218.91
  6. Step 6: Final answer
    x = 1,866.86

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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.