Home / 3,819.48-5,722.74-3,456.60

Finding the Fourth Proportional to 3,819.48, 5,722.74 and 3,456.60

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Solution

The fourth proportional to 3,819.48, 5,722.74 and 3,456.60 is: 5,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.48 : 5,722.74 = 3,456.60 : x
  2. Step 2: Convert to fraction form
    3,819.48/5,722.74 = 3,456.60/x
  3. Step 3: Cross multiply
    3,819.48x = 5,722.74 × 3,456.60
  4. Step 4: Simplify right side
    3,819.48x = 19,781,223.08
  5. Step 5: Solve for x
    x = 19,781,223.08/3,819.48
  6. Step 6: Final answer
    x = 5,179.04

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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.