Home / 3,028.03-4,179.70-2,131.01

Finding the Fourth Proportional to 3,028.03, 4,179.70 and 2,131.01

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Solution

The fourth proportional to 3,028.03, 4,179.70 and 2,131.01 is: 2,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.03 : 4,179.70 = 2,131.01 : x
  2. Step 2: Convert to fraction form
    3,028.03/4,179.70 = 2,131.01/x
  3. Step 3: Cross multiply
    3,028.03x = 4,179.70 × 2,131.01
  4. Step 4: Simplify right side
    3,028.03x = 8,906,979.94
  5. Step 5: Solve for x
    x = 8,906,979.94/3,028.03
  6. Step 6: Final answer
    x = 2,941.51

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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.