Home / 3,279.36-4,918.52-1,088

Finding the Fourth Proportional to 3,279.36, 4,918.52 and 1,088

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Solution

The fourth proportional to 3,279.36, 4,918.52 and 1,088 is: 1,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.36 : 4,918.52 = 1,088 : x
  2. Step 2: Convert to fraction form
    3,279.36/4,918.52 = 1,088/x
  3. Step 3: Cross multiply
    3,279.36x = 4,918.52 × 1,088
  4. Step 4: Simplify right side
    3,279.36x = 5,351,349.76
  5. Step 5: Solve for x
    x = 5,351,349.76/3,279.36
  6. Step 6: Final answer
    x = 1,631.83

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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.