Home / 2,023.11-2,792.01-1,138.95

Finding the Fourth Proportional to 2,023.11, 2,792.01 and 1,138.95

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Solution

The fourth proportional to 2,023.11, 2,792.01 and 1,138.95 is: 1,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.11 : 2,792.01 = 1,138.95 : x
  2. Step 2: Convert to fraction form
    2,023.11/2,792.01 = 1,138.95/x
  3. Step 3: Cross multiply
    2,023.11x = 2,792.01 × 1,138.95
  4. Step 4: Simplify right side
    2,023.11x = 3,179,959.79
  5. Step 5: Solve for x
    x = 3,179,959.79/2,023.11
  6. Step 6: Final answer
    x = 1,571.82

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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.