Home / 3,581.75-4,943.36-2,185.31

Finding the Fourth Proportional to 3,581.75, 4,943.36 and 2,185.31

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Solution

The fourth proportional to 3,581.75, 4,943.36 and 2,185.31 is: 3,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.75 : 4,943.36 = 2,185.31 : x
  2. Step 2: Convert to fraction form
    3,581.75/4,943.36 = 2,185.31/x
  3. Step 3: Cross multiply
    3,581.75x = 4,943.36 × 2,185.31
  4. Step 4: Simplify right side
    3,581.75x = 10,802,774.04
  5. Step 5: Solve for x
    x = 10,802,774.04/3,581.75
  6. Step 6: Final answer
    x = 3,016.06

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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.