Home / 2,724.11-4,086.23-776.33

Finding the Fourth Proportional to 2,724.11, 4,086.23 and 776.33

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Solution

The fourth proportional to 2,724.11, 4,086.23 and 776.33 is: 1,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.11 : 4,086.23 = 776.33 : x
  2. Step 2: Convert to fraction form
    2,724.11/4,086.23 = 776.33/x
  3. Step 3: Cross multiply
    2,724.11x = 4,086.23 × 776.33
  4. Step 4: Simplify right side
    2,724.11x = 3,172,238.62
  5. Step 5: Solve for x
    x = 3,172,238.62/2,724.11
  6. Step 6: Final answer
    x = 1,164.51

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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.