Home / 2,808.46-4,213.38-2,018.71

Finding the Fourth Proportional to 2,808.46, 4,213.38 and 2,018.71

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Solution

The fourth proportional to 2,808.46, 4,213.38 and 2,018.71 is: 3,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.46 : 4,213.38 = 2,018.71 : x
  2. Step 2: Convert to fraction form
    2,808.46/4,213.38 = 2,018.71/x
  3. Step 3: Cross multiply
    2,808.46x = 4,213.38 × 2,018.71
  4. Step 4: Simplify right side
    2,808.46x = 8,505,592.34
  5. Step 5: Solve for x
    x = 8,505,592.34/2,808.46
  6. Step 6: Final answer
    x = 3,028.56

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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.