Home / 3,222.19-4,446.62-1,825.21

Finding the Fourth Proportional to 3,222.19, 4,446.62 and 1,825.21

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Solution

The fourth proportional to 3,222.19, 4,446.62 and 1,825.21 is: 2,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.19 : 4,446.62 = 1,825.21 : x
  2. Step 2: Convert to fraction form
    3,222.19/4,446.62 = 1,825.21/x
  3. Step 3: Cross multiply
    3,222.19x = 4,446.62 × 1,825.21
  4. Step 4: Simplify right side
    3,222.19x = 8,116,001.89
  5. Step 5: Solve for x
    x = 8,116,001.89/3,222.19
  6. Step 6: Final answer
    x = 2,518.79

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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.