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Finding the Fourth Proportional to 3,326.68, 4,591.09 and 1,834.90

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Solution

The fourth proportional to 3,326.68, 4,591.09 and 1,834.90 is: 2,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.68 : 4,591.09 = 1,834.90 : x
  2. Step 2: Convert to fraction form
    3,326.68/4,591.09 = 1,834.90/x
  3. Step 3: Cross multiply
    3,326.68x = 4,591.09 × 1,834.90
  4. Step 4: Simplify right side
    3,326.68x = 8,424,174.98
  5. Step 5: Solve for x
    x = 8,424,174.98/3,326.68
  6. Step 6: Final answer
    x = 2,532.31

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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.