Home / 3,222.64-4,446.94-1,825.39

Finding the Fourth Proportional to 3,222.64, 4,446.94 and 1,825.39

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Solution

The fourth proportional to 3,222.64, 4,446.94 and 1,825.39 is: 2,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.64 : 4,446.94 = 1,825.39 : x
  2. Step 2: Convert to fraction form
    3,222.64/4,446.94 = 1,825.39/x
  3. Step 3: Cross multiply
    3,222.64x = 4,446.94 × 1,825.39
  4. Step 4: Simplify right side
    3,222.64x = 8,117,368.44
  5. Step 5: Solve for x
    x = 8,117,368.44/3,222.64
  6. Step 6: Final answer
    x = 2,518.86

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1.5x scale

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.