Home / 3,598.20-5,394.30-1,519.80

Finding the Fourth Proportional to 3,598.20, 5,394.30 and 1,519.80

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Solution

The fourth proportional to 3,598.20, 5,394.30 and 1,519.80 is: 2,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.20 : 5,394.30 = 1,519.80 : x
  2. Step 2: Convert to fraction form
    3,598.20/5,394.30 = 1,519.80/x
  3. Step 3: Cross multiply
    3,598.20x = 5,394.30 × 1,519.80
  4. Step 4: Simplify right side
    3,598.20x = 8,198,257.14
  5. Step 5: Solve for x
    x = 8,198,257.14/3,598.20
  6. Step 6: Final answer
    x = 2,278.43

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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.