Home / 3,191.73-4,781.20-2,534.71

Finding the Fourth Proportional to 3,191.73, 4,781.20 and 2,534.71

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Solution

The fourth proportional to 3,191.73, 4,781.20 and 2,534.71 is: 3,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.73 : 4,781.20 = 2,534.71 : x
  2. Step 2: Convert to fraction form
    3,191.73/4,781.20 = 2,534.71/x
  3. Step 3: Cross multiply
    3,191.73x = 4,781.20 × 2,534.71
  4. Step 4: Simplify right side
    3,191.73x = 12,118,955.45
  5. Step 5: Solve for x
    x = 12,118,955.45/3,191.73
  6. Step 6: Final answer
    x = 3,796.99

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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.