Home / 3,396.91-5,093.75-1,317.89

Finding the Fourth Proportional to 3,396.91, 5,093.75 and 1,317.89

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Solution

The fourth proportional to 3,396.91, 5,093.75 and 1,317.89 is: 1,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.91 : 5,093.75 = 1,317.89 : x
  2. Step 2: Convert to fraction form
    3,396.91/5,093.75 = 1,317.89/x
  3. Step 3: Cross multiply
    3,396.91x = 5,093.75 × 1,317.89
  4. Step 4: Simplify right side
    3,396.91x = 6,713,002.19
  5. Step 5: Solve for x
    x = 6,713,002.19/3,396.91
  6. Step 6: Final answer
    x = 1,976.21

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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.