Home / 2,023.23-2,791.97-1,139.01

Finding the Fourth Proportional to 2,023.23, 2,791.97 and 1,139.01

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Solution

The fourth proportional to 2,023.23, 2,791.97 and 1,139.01 is: 1,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.23 : 2,791.97 = 1,139.01 : x
  2. Step 2: Convert to fraction form
    2,023.23/2,791.97 = 1,139.01/x
  3. Step 3: Cross multiply
    2,023.23x = 2,791.97 × 1,139.01
  4. Step 4: Simplify right side
    2,023.23x = 3,180,076.05
  5. Step 5: Solve for x
    x = 3,180,076.05/2,023.23
  6. Step 6: Final answer
    x = 1,571.78

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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.