Home / 3,581.76-4,943.36-2,185.32

Finding the Fourth Proportional to 3,581.76, 4,943.36 and 2,185.32

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Solution

The fourth proportional to 3,581.76, 4,943.36 and 2,185.32 is: 3,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.76 : 4,943.36 = 2,185.32 : x
  2. Step 2: Convert to fraction form
    3,581.76/4,943.36 = 2,185.32/x
  3. Step 3: Cross multiply
    3,581.76x = 4,943.36 × 2,185.32
  4. Step 4: Simplify right side
    3,581.76x = 10,802,823.48
  5. Step 5: Solve for x
    x = 10,802,823.48/3,581.76
  6. Step 6: Final answer
    x = 3,016.07

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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.