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Finding the Fourth Proportional to 3,338.52, 4,607.38 and 1,922.43

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Solution

The fourth proportional to 3,338.52, 4,607.38 and 1,922.43 is: 2,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.52 : 4,607.38 = 1,922.43 : x
  2. Step 2: Convert to fraction form
    3,338.52/4,607.38 = 1,922.43/x
  3. Step 3: Cross multiply
    3,338.52x = 4,607.38 × 1,922.43
  4. Step 4: Simplify right side
    3,338.52x = 8,857,385.21
  5. Step 5: Solve for x
    x = 8,857,385.21/3,338.52
  6. Step 6: Final answer
    x = 2,653.09

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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.