Home / 3,943.39-5,915.96-1,722.58

Finding the Fourth Proportional to 3,943.39, 5,915.96 and 1,722.58

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Solution

The fourth proportional to 3,943.39, 5,915.96 and 1,722.58 is: 2,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.39 : 5,915.96 = 1,722.58 : x
  2. Step 2: Convert to fraction form
    3,943.39/5,915.96 = 1,722.58/x
  3. Step 3: Cross multiply
    3,943.39x = 5,915.96 × 1,722.58
  4. Step 4: Simplify right side
    3,943.39x = 10,190,690.97
  5. Step 5: Solve for x
    x = 10,190,690.97/3,943.39
  6. Step 6: Final answer
    x = 2,584.25

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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.