Home / 3,388.84-5,083.26-1,929.22

Finding the Fourth Proportional to 3,388.84, 5,083.26 and 1,929.22

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Solution

The fourth proportional to 3,388.84, 5,083.26 and 1,929.22 is: 2,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.84 : 5,083.26 = 1,929.22 : x
  2. Step 2: Convert to fraction form
    3,388.84/5,083.26 = 1,929.22/x
  3. Step 3: Cross multiply
    3,388.84x = 5,083.26 × 1,929.22
  4. Step 4: Simplify right side
    3,388.84x = 9,806,706.91
  5. Step 5: Solve for x
    x = 9,806,706.91/3,388.84
  6. Step 6: Final answer
    x = 2,893.83

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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.