Home / 3,554.64-4,905.09-1,982.43

Finding the Fourth Proportional to 3,554.64, 4,905.09 and 1,982.43

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Solution

The fourth proportional to 3,554.64, 4,905.09 and 1,982.43 is: 2,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.64 : 4,905.09 = 1,982.43 : x
  2. Step 2: Convert to fraction form
    3,554.64/4,905.09 = 1,982.43/x
  3. Step 3: Cross multiply
    3,554.64x = 4,905.09 × 1,982.43
  4. Step 4: Simplify right side
    3,554.64x = 9,723,997.57
  5. Step 5: Solve for x
    x = 9,723,997.57/3,554.64
  6. Step 6: Final answer
    x = 2,735.58

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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.