Home / 3,191.47-4,780.97-2,092.48

Finding the Fourth Proportional to 3,191.47, 4,780.97 and 2,092.48

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Solution

The fourth proportional to 3,191.47, 4,780.97 and 2,092.48 is: 3,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.47 : 4,780.97 = 2,092.48 : x
  2. Step 2: Convert to fraction form
    3,191.47/4,780.97 = 2,092.48/x
  3. Step 3: Cross multiply
    3,191.47x = 4,780.97 × 2,092.48
  4. Step 4: Simplify right side
    3,191.47x = 10,004,073.64
  5. Step 5: Solve for x
    x = 10,004,073.64/3,191.47
  6. Step 6: Final answer
    x = 3,134.63

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1.5x scale

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.