Home / 3,004.78-4,507.26-2,179.12

Finding the Fourth Proportional to 3,004.78, 4,507.26 and 2,179.12

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Solution

The fourth proportional to 3,004.78, 4,507.26 and 2,179.12 is: 3,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.78 : 4,507.26 = 2,179.12 : x
  2. Step 2: Convert to fraction form
    3,004.78/4,507.26 = 2,179.12/x
  3. Step 3: Cross multiply
    3,004.78x = 4,507.26 × 2,179.12
  4. Step 4: Simplify right side
    3,004.78x = 9,821,860.41
  5. Step 5: Solve for x
    x = 9,821,860.41/3,004.78
  6. Step 6: Final answer
    x = 3,268.75

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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.