Home / 3,165.44-4,747.62-1,085.36

Finding the Fourth Proportional to 3,165.44, 4,747.62 and 1,085.36

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Solution

The fourth proportional to 3,165.44, 4,747.62 and 1,085.36 is: 1,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.44 : 4,747.62 = 1,085.36 : x
  2. Step 2: Convert to fraction form
    3,165.44/4,747.62 = 1,085.36/x
  3. Step 3: Cross multiply
    3,165.44x = 4,747.62 × 1,085.36
  4. Step 4: Simplify right side
    3,165.44x = 5,152,876.84
  5. Step 5: Solve for x
    x = 5,152,876.84/3,165.44
  6. Step 6: Final answer
    x = 1,627.85

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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.