Home / 3,398.29-5,095.83-1,319.26

Finding the Fourth Proportional to 3,398.29, 5,095.83 and 1,319.26

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Solution

The fourth proportional to 3,398.29, 5,095.83 and 1,319.26 is: 1,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.29 : 5,095.83 = 1,319.26 : x
  2. Step 2: Convert to fraction form
    3,398.29/5,095.83 = 1,319.26/x
  3. Step 3: Cross multiply
    3,398.29x = 5,095.83 × 1,319.26
  4. Step 4: Simplify right side
    3,398.29x = 6,722,724.69
  5. Step 5: Solve for x
    x = 6,722,724.69/3,398.29
  6. Step 6: Final answer
    x = 1,978.27

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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.