Home / 3,279.54-4,920.62-1,199.69

Finding the Fourth Proportional to 3,279.54, 4,920.62 and 1,199.69

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Solution

The fourth proportional to 3,279.54, 4,920.62 and 1,199.69 is: 1,800.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.54 : 4,920.62 = 1,199.69 : x
  2. Step 2: Convert to fraction form
    3,279.54/4,920.62 = 1,199.69/x
  3. Step 3: Cross multiply
    3,279.54x = 4,920.62 × 1,199.69
  4. Step 4: Simplify right side
    3,279.54x = 5,903,218.61
  5. Step 5: Solve for x
    x = 5,903,218.61/3,279.54
  6. Step 6: Final answer
    x = 1,800.01

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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.