Home / 3,213.66-4,822.38-1,364.61

Finding the Fourth Proportional to 3,213.66, 4,822.38 and 1,364.61

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Solution

The fourth proportional to 3,213.66, 4,822.38 and 1,364.61 is: 2,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.66 : 4,822.38 = 1,364.61 : x
  2. Step 2: Convert to fraction form
    3,213.66/4,822.38 = 1,364.61/x
  3. Step 3: Cross multiply
    3,213.66x = 4,822.38 × 1,364.61
  4. Step 4: Simplify right side
    3,213.66x = 6,580,667.97
  5. Step 5: Solve for x
    x = 6,580,667.97/3,213.66
  6. Step 6: Final answer
    x = 2,047.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.