Home / 3,287.46-4,925.25-1,805.09

Finding the Fourth Proportional to 3,287.46, 4,925.25 and 1,805.09

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Solution

The fourth proportional to 3,287.46, 4,925.25 and 1,805.09 is: 2,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.46 : 4,925.25 = 1,805.09 : x
  2. Step 2: Convert to fraction form
    3,287.46/4,925.25 = 1,805.09/x
  3. Step 3: Cross multiply
    3,287.46x = 4,925.25 × 1,805.09
  4. Step 4: Simplify right side
    3,287.46x = 8,890,494.90
  5. Step 5: Solve for x
    x = 8,890,494.90/3,287.46
  6. Step 6: Final answer
    x = 2,704.37

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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.