Home / 3,185.82-4,396.47-1,927.02

Finding the Fourth Proportional to 3,185.82, 4,396.47 and 1,927.02

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Solution

The fourth proportional to 3,185.82, 4,396.47 and 1,927.02 is: 2,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.82 : 4,396.47 = 1,927.02 : x
  2. Step 2: Convert to fraction form
    3,185.82/4,396.47 = 1,927.02/x
  3. Step 3: Cross multiply
    3,185.82x = 4,396.47 × 1,927.02
  4. Step 4: Simplify right side
    3,185.82x = 8,472,085.62
  5. Step 5: Solve for x
    x = 8,472,085.62/3,185.82
  6. Step 6: Final answer
    x = 2,659.31

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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.