Home / 3,476.91-5,215.66-1,396.65

Finding the Fourth Proportional to 3,476.91, 5,215.66 and 1,396.65

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Solution

The fourth proportional to 3,476.91, 5,215.66 and 1,396.65 is: 2,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.91 : 5,215.66 = 1,396.65 : x
  2. Step 2: Convert to fraction form
    3,476.91/5,215.66 = 1,396.65/x
  3. Step 3: Cross multiply
    3,476.91x = 5,215.66 × 1,396.65
  4. Step 4: Simplify right side
    3,476.91x = 7,284,435.25
  5. Step 5: Solve for x
    x = 7,284,435.25/3,476.91
  6. Step 6: Final answer
    x = 2,095.09

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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.