Home / 4,142.69-5,715.78-2,882.33

Finding the Fourth Proportional to 4,142.69, 5,715.78 and 2,882.33

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Solution

The fourth proportional to 4,142.69, 5,715.78 and 2,882.33 is: 3,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.69 : 5,715.78 = 2,882.33 : x
  2. Step 2: Convert to fraction form
    4,142.69/5,715.78 = 2,882.33/x
  3. Step 3: Cross multiply
    4,142.69x = 5,715.78 × 2,882.33
  4. Step 4: Simplify right side
    4,142.69x = 16,474,764.17
  5. Step 5: Solve for x
    x = 16,474,764.17/4,142.69
  6. Step 6: Final answer
    x = 3,976.83

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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.