Home / 3,599.40-5,398.69-1,519.73

Finding the Fourth Proportional to 3,599.40, 5,398.69 and 1,519.73

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Solution

The fourth proportional to 3,599.40, 5,398.69 and 1,519.73 is: 2,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.40 : 5,398.69 = 1,519.73 : x
  2. Step 2: Convert to fraction form
    3,599.40/5,398.69 = 1,519.73/x
  3. Step 3: Cross multiply
    3,599.40x = 5,398.69 × 1,519.73
  4. Step 4: Simplify right side
    3,599.40x = 8,204,551.15
  5. Step 5: Solve for x
    x = 8,204,551.15/3,599.40
  6. Step 6: Final answer
    x = 2,279.42

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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.