Home / 3,027.64-4,179.56-2,021.05

Finding the Fourth Proportional to 3,027.64, 4,179.56 and 2,021.05

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Solution

The fourth proportional to 3,027.64, 4,179.56 and 2,021.05 is: 2,789.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.64 : 4,179.56 = 2,021.05 : x
  2. Step 2: Convert to fraction form
    3,027.64/4,179.56 = 2,021.05/x
  3. Step 3: Cross multiply
    3,027.64x = 4,179.56 × 2,021.05
  4. Step 4: Simplify right side
    3,027.64x = 8,447,091.44
  5. Step 5: Solve for x
    x = 8,447,091.44/3,027.64
  6. Step 6: Final answer
    x = 2,789.99

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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.