Home / 3,279.36-4,917.32-1,612.76

Finding the Fourth Proportional to 3,279.36, 4,917.32 and 1,612.76

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Solution

The fourth proportional to 3,279.36, 4,917.32 and 1,612.76 is: 2,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.36 : 4,917.32 = 1,612.76 : x
  2. Step 2: Convert to fraction form
    3,279.36/4,917.32 = 1,612.76/x
  3. Step 3: Cross multiply
    3,279.36x = 4,917.32 × 1,612.76
  4. Step 4: Simplify right side
    3,279.36x = 7,930,457.00
  5. Step 5: Solve for x
    x = 7,930,457.00/3,279.36
  6. Step 6: Final answer
    x = 2,418.29

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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.