Home / 2,023.30-2,791.86-1,138.93

Finding the Fourth Proportional to 2,023.30, 2,791.86 and 1,138.93

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Solution

The fourth proportional to 2,023.30, 2,791.86 and 1,138.93 is: 1,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.30 : 2,791.86 = 1,138.93 : x
  2. Step 2: Convert to fraction form
    2,023.30/2,791.86 = 1,138.93/x
  3. Step 3: Cross multiply
    2,023.30x = 2,791.86 × 1,138.93
  4. Step 4: Simplify right side
    2,023.30x = 3,179,733.11
  5. Step 5: Solve for x
    x = 3,179,733.11/2,023.30
  6. Step 6: Final answer
    x = 1,571.56

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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.