Home / 3,238.31-4,468.45-1,821.82

Finding the Fourth Proportional to 3,238.31, 4,468.45 and 1,821.82

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Solution

The fourth proportional to 3,238.31, 4,468.45 and 1,821.82 is: 2,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.31 : 4,468.45 = 1,821.82 : x
  2. Step 2: Convert to fraction form
    3,238.31/4,468.45 = 1,821.82/x
  3. Step 3: Cross multiply
    3,238.31x = 4,468.45 × 1,821.82
  4. Step 4: Simplify right side
    3,238.31x = 8,140,711.58
  5. Step 5: Solve for x
    x = 8,140,711.58/3,238.31
  6. Step 6: Final answer
    x = 2,513.88

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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.