Home / 2,965.82-4,092.71-1,621.41

Finding the Fourth Proportional to 2,965.82, 4,092.71 and 1,621.41

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Solution

The fourth proportional to 2,965.82, 4,092.71 and 1,621.41 is: 2,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.82 : 4,092.71 = 1,621.41 : x
  2. Step 2: Convert to fraction form
    2,965.82/4,092.71 = 1,621.41/x
  3. Step 3: Cross multiply
    2,965.82x = 4,092.71 × 1,621.41
  4. Step 4: Simplify right side
    2,965.82x = 6,635,958.10
  5. Step 5: Solve for x
    x = 6,635,958.10/2,965.82
  6. Step 6: Final answer
    x = 2,237.47

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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.