Home / 2,023.05-2,791.61-1,138.84

Finding the Fourth Proportional to 2,023.05, 2,791.61 and 1,138.84

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Solution

The fourth proportional to 2,023.05, 2,791.61 and 1,138.84 is: 1,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.05 : 2,791.61 = 1,138.84 : x
  2. Step 2: Convert to fraction form
    2,023.05/2,791.61 = 1,138.84/x
  3. Step 3: Cross multiply
    2,023.05x = 2,791.61 × 1,138.84
  4. Step 4: Simplify right side
    2,023.05x = 3,179,184.46
  5. Step 5: Solve for x
    x = 3,179,184.46/2,023.05
  6. Step 6: Final answer
    x = 1,571.48

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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.