Home / 2,824.10-4,227.78-2,096.90

Finding the Fourth Proportional to 2,824.10, 4,227.78 and 2,096.90

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Solution

The fourth proportional to 2,824.10, 4,227.78 and 2,096.90 is: 3,139.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.10 : 4,227.78 = 2,096.90 : x
  2. Step 2: Convert to fraction form
    2,824.10/4,227.78 = 2,096.90/x
  3. Step 3: Cross multiply
    2,824.10x = 4,227.78 × 2,096.90
  4. Step 4: Simplify right side
    2,824.10x = 8,865,231.88
  5. Step 5: Solve for x
    x = 8,865,231.88/2,824.10
  6. Step 6: Final answer
    x = 3,139.14

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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.