Home / 3,239.82-4,471.02-1,842.54

Finding the Fourth Proportional to 3,239.82, 4,471.02 and 1,842.54

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Solution

The fourth proportional to 3,239.82, 4,471.02 and 1,842.54 is: 2,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.82 : 4,471.02 = 1,842.54 : x
  2. Step 2: Convert to fraction form
    3,239.82/4,471.02 = 1,842.54/x
  3. Step 3: Cross multiply
    3,239.82x = 4,471.02 × 1,842.54
  4. Step 4: Simplify right side
    3,239.82x = 8,238,033.19
  5. Step 5: Solve for x
    x = 8,238,033.19/3,239.82
  6. Step 6: Final answer
    x = 2,542.74

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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.