Home / 3,239.19-4,469.31-1,822.97

Finding the Fourth Proportional to 3,239.19, 4,469.31 and 1,822.97

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Solution

The fourth proportional to 3,239.19, 4,469.31 and 1,822.97 is: 2,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.19 : 4,469.31 = 1,822.97 : x
  2. Step 2: Convert to fraction form
    3,239.19/4,469.31 = 1,822.97/x
  3. Step 3: Cross multiply
    3,239.19x = 4,469.31 × 1,822.97
  4. Step 4: Simplify right side
    3,239.19x = 8,147,429.22
  5. Step 5: Solve for x
    x = 8,147,429.22/3,239.19
  6. Step 6: Final answer
    x = 2,515.27

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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.