Home / 2,022.46-2,791.26-1,138.30

Finding the Fourth Proportional to 2,022.46, 2,791.26 and 1,138.30

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Solution

The fourth proportional to 2,022.46, 2,791.26 and 1,138.30 is: 1,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.46 : 2,791.26 = 1,138.30 : x
  2. Step 2: Convert to fraction form
    2,022.46/2,791.26 = 1,138.30/x
  3. Step 3: Cross multiply
    2,022.46x = 2,791.26 × 1,138.30
  4. Step 4: Simplify right side
    2,022.46x = 3,177,291.26
  5. Step 5: Solve for x
    x = 3,177,291.26/2,022.46
  6. Step 6: Final answer
    x = 1,571.00

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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.