Home / 2,653.62-3,982.49-1,837.61

Finding the Fourth Proportional to 2,653.62, 3,982.49 and 1,837.61

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Solution

The fourth proportional to 2,653.62, 3,982.49 and 1,837.61 is: 2,757.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.62 : 3,982.49 = 1,837.61 : x
  2. Step 2: Convert to fraction form
    2,653.62/3,982.49 = 1,837.61/x
  3. Step 3: Cross multiply
    2,653.62x = 3,982.49 × 1,837.61
  4. Step 4: Simplify right side
    2,653.62x = 7,318,263.45
  5. Step 5: Solve for x
    x = 7,318,263.45/2,653.62
  6. Step 6: Final answer
    x = 2,757.84

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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.