Home / 3,218.43-4,441.10-1,802.02

Finding the Fourth Proportional to 3,218.43, 4,441.10 and 1,802.02

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Solution

The fourth proportional to 3,218.43, 4,441.10 and 1,802.02 is: 2,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.43 : 4,441.10 = 1,802.02 : x
  2. Step 2: Convert to fraction form
    3,218.43/4,441.10 = 1,802.02/x
  3. Step 3: Cross multiply
    3,218.43x = 4,441.10 × 1,802.02
  4. Step 4: Simplify right side
    3,218.43x = 8,002,951.02
  5. Step 5: Solve for x
    x = 8,002,951.02/3,218.43
  6. Step 6: Final answer
    x = 2,486.60

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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.