Home / 3,679.19-5,518.85-1,599.20

Finding the Fourth Proportional to 3,679.19, 5,518.85 and 1,599.20

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Solution

The fourth proportional to 3,679.19, 5,518.85 and 1,599.20 is: 2,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.19 : 5,518.85 = 1,599.20 : x
  2. Step 2: Convert to fraction form
    3,679.19/5,518.85 = 1,599.20/x
  3. Step 3: Cross multiply
    3,679.19x = 5,518.85 × 1,599.20
  4. Step 4: Simplify right side
    3,679.19x = 8,825,717.33
  5. Step 5: Solve for x
    x = 8,825,717.33/3,679.19
  6. Step 6: Final answer
    x = 2,398.82

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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.