Home / 3,360.69-5,040.26-1,279.94

Finding the Fourth Proportional to 3,360.69, 5,040.26 and 1,279.94

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Solution

The fourth proportional to 3,360.69, 5,040.26 and 1,279.94 is: 1,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.69 : 5,040.26 = 1,279.94 : x
  2. Step 2: Convert to fraction form
    3,360.69/5,040.26 = 1,279.94/x
  3. Step 3: Cross multiply
    3,360.69x = 5,040.26 × 1,279.94
  4. Step 4: Simplify right side
    3,360.69x = 6,451,203.58
  5. Step 5: Solve for x
    x = 6,451,203.58/3,360.69
  6. Step 6: Final answer
    x = 1,919.61

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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.