Home / 1,571.19-2,163.27-1,196.97

Finding the Fourth Proportional to 1,571.19, 2,163.27 and 1,196.97

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Solution

The fourth proportional to 1,571.19, 2,163.27 and 1,196.97 is: 1,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.19 : 2,163.27 = 1,196.97 : x
  2. Step 2: Convert to fraction form
    1,571.19/2,163.27 = 1,196.97/x
  3. Step 3: Cross multiply
    1,571.19x = 2,163.27 × 1,196.97
  4. Step 4: Simplify right side
    1,571.19x = 2,589,369.29
  5. Step 5: Solve for x
    x = 2,589,369.29/1,571.19
  6. Step 6: Final answer
    x = 1,648.03

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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.