Home / 3,403.87-5,101.25-1,819.34

Finding the Fourth Proportional to 3,403.87, 5,101.25 and 1,819.34

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Solution

The fourth proportional to 3,403.87, 5,101.25 and 1,819.34 is: 2,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.87 : 5,101.25 = 1,819.34 : x
  2. Step 2: Convert to fraction form
    3,403.87/5,101.25 = 1,819.34/x
  3. Step 3: Cross multiply
    3,403.87x = 5,101.25 × 1,819.34
  4. Step 4: Simplify right side
    3,403.87x = 9,280,895.87
  5. Step 5: Solve for x
    x = 9,280,895.87/3,403.87
  6. Step 6: Final answer
    x = 2,726.58

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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.