Home / 2,882.15-3,975.97-2,770.37

Finding the Fourth Proportional to 2,882.15, 3,975.97 and 2,770.37

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Solution

The fourth proportional to 2,882.15, 3,975.97 and 2,770.37 is: 3,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.15 : 3,975.97 = 2,770.37 : x
  2. Step 2: Convert to fraction form
    2,882.15/3,975.97 = 2,770.37/x
  3. Step 3: Cross multiply
    2,882.15x = 3,975.97 × 2,770.37
  4. Step 4: Simplify right side
    2,882.15x = 11,014,908.01
  5. Step 5: Solve for x
    x = 11,014,908.01/2,882.15
  6. Step 6: Final answer
    x = 3,821.77

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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.