Home / 3,086.49-4,256.96-2,732.79

Finding the Fourth Proportional to 3,086.49, 4,256.96 and 2,732.79

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Solution

The fourth proportional to 3,086.49, 4,256.96 and 2,732.79 is: 3,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.49 : 4,256.96 = 2,732.79 : x
  2. Step 2: Convert to fraction form
    3,086.49/4,256.96 = 2,732.79/x
  3. Step 3: Cross multiply
    3,086.49x = 4,256.96 × 2,732.79
  4. Step 4: Simplify right side
    3,086.49x = 11,633,364.05
  5. Step 5: Solve for x
    x = 11,633,364.05/3,086.49
  6. Step 6: Final answer
    x = 3,769.12

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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.