Home / 3,199.84-4,800.03-1,119.79

Finding the Fourth Proportional to 3,199.84, 4,800.03 and 1,119.79

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Solution

The fourth proportional to 3,199.84, 4,800.03 and 1,119.79 is: 1,679.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.84 : 4,800.03 = 1,119.79 : x
  2. Step 2: Convert to fraction form
    3,199.84/4,800.03 = 1,119.79/x
  3. Step 3: Cross multiply
    3,199.84x = 4,800.03 × 1,119.79
  4. Step 4: Simplify right side
    3,199.84x = 5,375,027.39
  5. Step 5: Solve for x
    x = 5,375,027.39/3,199.84
  6. Step 6: Final answer
    x = 1,679.78

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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.