Home / 2,922.62-4,380.60-2,570.54

Finding the Fourth Proportional to 2,922.62, 4,380.60 and 2,570.54

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Solution

The fourth proportional to 2,922.62, 4,380.60 and 2,570.54 is: 3,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.62 : 4,380.60 = 2,570.54 : x
  2. Step 2: Convert to fraction form
    2,922.62/4,380.60 = 2,570.54/x
  3. Step 3: Cross multiply
    2,922.62x = 4,380.60 × 2,570.54
  4. Step 4: Simplify right side
    2,922.62x = 11,260,507.52
  5. Step 5: Solve for x
    x = 11,260,507.52/2,922.62
  6. Step 6: Final answer
    x = 3,852.88

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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.