Home / 3,222.52-4,447.20-1,825.28

Finding the Fourth Proportional to 3,222.52, 4,447.20 and 1,825.28

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Solution

The fourth proportional to 3,222.52, 4,447.20 and 1,825.28 is: 2,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.52 : 4,447.20 = 1,825.28 : x
  2. Step 2: Convert to fraction form
    3,222.52/4,447.20 = 1,825.28/x
  3. Step 3: Cross multiply
    3,222.52x = 4,447.20 × 1,825.28
  4. Step 4: Simplify right side
    3,222.52x = 8,117,385.22
  5. Step 5: Solve for x
    x = 8,117,385.22/3,222.52
  6. Step 6: Final answer
    x = 2,518.96

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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.