Home / 3,147.62-4,333.86-2,674.58

Finding the Fourth Proportional to 3,147.62, 4,333.86 and 2,674.58

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Solution

The fourth proportional to 3,147.62, 4,333.86 and 2,674.58 is: 3,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.62 : 4,333.86 = 2,674.58 : x
  2. Step 2: Convert to fraction form
    3,147.62/4,333.86 = 2,674.58/x
  3. Step 3: Cross multiply
    3,147.62x = 4,333.86 × 2,674.58
  4. Step 4: Simplify right side
    3,147.62x = 11,591,255.28
  5. Step 5: Solve for x
    x = 11,591,255.28/3,147.62
  6. Step 6: Final answer
    x = 3,682.55

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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.