Home / 2,622.73-3,935.61-2,419.75

Finding the Fourth Proportional to 2,622.73, 3,935.61 and 2,419.75

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Solution

The fourth proportional to 2,622.73, 3,935.61 and 2,419.75 is: 3,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.73 : 3,935.61 = 2,419.75 : x
  2. Step 2: Convert to fraction form
    2,622.73/3,935.61 = 2,419.75/x
  3. Step 3: Cross multiply
    2,622.73x = 3,935.61 × 2,419.75
  4. Step 4: Simplify right side
    2,622.73x = 9,523,192.95
  5. Step 5: Solve for x
    x = 9,523,192.95/2,622.73
  6. Step 6: Final answer
    x = 3,631.02

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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.