Home / 3,551.30-5,324.82-1,085.66

Finding the Fourth Proportional to 3,551.30, 5,324.82 and 1,085.66

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Solution

The fourth proportional to 3,551.30, 5,324.82 and 1,085.66 is: 1,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.30 : 5,324.82 = 1,085.66 : x
  2. Step 2: Convert to fraction form
    3,551.30/5,324.82 = 1,085.66/x
  3. Step 3: Cross multiply
    3,551.30x = 5,324.82 × 1,085.66
  4. Step 4: Simplify right side
    3,551.30x = 5,780,944.08
  5. Step 5: Solve for x
    x = 5,780,944.08/3,551.30
  6. Step 6: Final answer
    x = 1,627.84

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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.