Home / 3,222.74-4,447.34-1,806.44

Finding the Fourth Proportional to 3,222.74, 4,447.34 and 1,806.44

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Solution

The fourth proportional to 3,222.74, 4,447.34 and 1,806.44 is: 2,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.74 : 4,447.34 = 1,806.44 : x
  2. Step 2: Convert to fraction form
    3,222.74/4,447.34 = 1,806.44/x
  3. Step 3: Cross multiply
    3,222.74x = 4,447.34 × 1,806.44
  4. Step 4: Simplify right side
    3,222.74x = 8,033,852.87
  5. Step 5: Solve for x
    x = 8,033,852.87/3,222.74
  6. Step 6: Final answer
    x = 2,492.86

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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.