Home / 4,074.05-5,614.13-2,891.81

Finding the Fourth Proportional to 4,074.05, 5,614.13 and 2,891.81

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Solution

The fourth proportional to 4,074.05, 5,614.13 and 2,891.81 is: 3,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.05 : 5,614.13 = 2,891.81 : x
  2. Step 2: Convert to fraction form
    4,074.05/5,614.13 = 2,891.81/x
  3. Step 3: Cross multiply
    4,074.05x = 5,614.13 × 2,891.81
  4. Step 4: Simplify right side
    4,074.05x = 16,234,982.82
  5. Step 5: Solve for x
    x = 16,234,982.82/4,074.05
  6. Step 6: Final answer
    x = 3,984.97

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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.