Home / 3,581.65-5,369.24-1,272.61

Finding the Fourth Proportional to 3,581.65, 5,369.24 and 1,272.61

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Solution

The fourth proportional to 3,581.65, 5,369.24 and 1,272.61 is: 1,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.65 : 5,369.24 = 1,272.61 : x
  2. Step 2: Convert to fraction form
    3,581.65/5,369.24 = 1,272.61/x
  3. Step 3: Cross multiply
    3,581.65x = 5,369.24 × 1,272.61
  4. Step 4: Simplify right side
    3,581.65x = 6,832,942.15
  5. Step 5: Solve for x
    x = 6,832,942.15/3,581.65
  6. Step 6: Final answer
    x = 1,907.76

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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.