Home / 3,165.52-4,747.77-1,085.44

Finding the Fourth Proportional to 3,165.52, 4,747.77 and 1,085.44

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Solution

The fourth proportional to 3,165.52, 4,747.77 and 1,085.44 is: 1,627.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.52 : 4,747.77 = 1,085.44 : x
  2. Step 2: Convert to fraction form
    3,165.52/4,747.77 = 1,085.44/x
  3. Step 3: Cross multiply
    3,165.52x = 4,747.77 × 1,085.44
  4. Step 4: Simplify right side
    3,165.52x = 5,153,419.47
  5. Step 5: Solve for x
    x = 5,153,419.47/3,165.52
  6. Step 6: Final answer
    x = 1,627.99

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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.