Home / 2,023.11-2,791.87-1,139.06

Finding the Fourth Proportional to 2,023.11, 2,791.87 and 1,139.06

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Solution

The fourth proportional to 2,023.11, 2,791.87 and 1,139.06 is: 1,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.11 : 2,791.87 = 1,139.06 : x
  2. Step 2: Convert to fraction form
    2,023.11/2,791.87 = 1,139.06/x
  3. Step 3: Cross multiply
    2,023.11x = 2,791.87 × 1,139.06
  4. Step 4: Simplify right side
    2,023.11x = 3,180,111.57
  5. Step 5: Solve for x
    x = 3,180,111.57/2,023.11
  6. Step 6: Final answer
    x = 1,571.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.