Home / 3,819.60-5,735.73-2,578.17

Finding the Fourth Proportional to 3,819.60, 5,735.73 and 2,578.17

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Solution

The fourth proportional to 3,819.60, 5,735.73 and 2,578.17 is: 3,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.60 : 5,735.73 = 2,578.17 : x
  2. Step 2: Convert to fraction form
    3,819.60/5,735.73 = 2,578.17/x
  3. Step 3: Cross multiply
    3,819.60x = 5,735.73 × 2,578.17
  4. Step 4: Simplify right side
    3,819.60x = 14,787,690.11
  5. Step 5: Solve for x
    x = 14,787,690.11/3,819.60
  6. Step 6: Final answer
    x = 3,871.52

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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.