Home / 3,212.17-4,823.03-1,976.02

Finding the Fourth Proportional to 3,212.17, 4,823.03 and 1,976.02

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Solution

The fourth proportional to 3,212.17, 4,823.03 and 1,976.02 is: 2,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.17 : 4,823.03 = 1,976.02 : x
  2. Step 2: Convert to fraction form
    3,212.17/4,823.03 = 1,976.02/x
  3. Step 3: Cross multiply
    3,212.17x = 4,823.03 × 1,976.02
  4. Step 4: Simplify right side
    3,212.17x = 9,530,403.74
  5. Step 5: Solve for x
    x = 9,530,403.74/3,212.17
  6. Step 6: Final answer
    x = 2,966.97

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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.