Home / 3,223.06-4,822.71-1,920.58

Finding the Fourth Proportional to 3,223.06, 4,822.71 and 1,920.58

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Solution

The fourth proportional to 3,223.06, 4,822.71 and 1,920.58 is: 2,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.06 : 4,822.71 = 1,920.58 : x
  2. Step 2: Convert to fraction form
    3,223.06/4,822.71 = 1,920.58/x
  3. Step 3: Cross multiply
    3,223.06x = 4,822.71 × 1,920.58
  4. Step 4: Simplify right side
    3,223.06x = 9,262,400.37
  5. Step 5: Solve for x
    x = 9,262,400.37/3,223.06
  6. Step 6: Final answer
    x = 2,873.79

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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.