Home / 3,031.62-4,183.26-1,772.44

Finding the Fourth Proportional to 3,031.62, 4,183.26 and 1,772.44

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Solution

The fourth proportional to 3,031.62, 4,183.26 and 1,772.44 is: 2,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.62 : 4,183.26 = 1,772.44 : x
  2. Step 2: Convert to fraction form
    3,031.62/4,183.26 = 1,772.44/x
  3. Step 3: Cross multiply
    3,031.62x = 4,183.26 × 1,772.44
  4. Step 4: Simplify right side
    3,031.62x = 7,414,577.35
  5. Step 5: Solve for x
    x = 7,414,577.35/3,031.62
  6. Step 6: Final answer
    x = 2,445.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.