Home / 3,578.90-5,359.68-1,819.27

Finding the Fourth Proportional to 3,578.90, 5,359.68 and 1,819.27

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Solution

The fourth proportional to 3,578.90, 5,359.68 and 1,819.27 is: 2,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.90 : 5,359.68 = 1,819.27 : x
  2. Step 2: Convert to fraction form
    3,578.90/5,359.68 = 1,819.27/x
  3. Step 3: Cross multiply
    3,578.90x = 5,359.68 × 1,819.27
  4. Step 4: Simplify right side
    3,578.90x = 9,750,711.73
  5. Step 5: Solve for x
    x = 9,750,711.73/3,578.90
  6. Step 6: Final answer
    x = 2,724.50

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1.5x scale

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.