Home / 3,599.18-5,399.49-1,519.18

Finding the Fourth Proportional to 3,599.18, 5,399.49 and 1,519.18

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Solution

The fourth proportional to 3,599.18, 5,399.49 and 1,519.18 is: 2,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.18 : 5,399.49 = 1,519.18 : x
  2. Step 2: Convert to fraction form
    3,599.18/5,399.49 = 1,519.18/x
  3. Step 3: Cross multiply
    3,599.18x = 5,399.49 × 1,519.18
  4. Step 4: Simplify right side
    3,599.18x = 8,202,789.42
  5. Step 5: Solve for x
    x = 8,202,789.42/3,599.18
  6. Step 6: Final answer
    x = 2,279.07

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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.