Home / 3,943.84-5,918.12-3,540.44

Finding the Fourth Proportional to 3,943.84, 5,918.12 and 3,540.44

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Solution

The fourth proportional to 3,943.84, 5,918.12 and 3,540.44 is: 5,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.84 : 5,918.12 = 3,540.44 : x
  2. Step 2: Convert to fraction form
    3,943.84/5,918.12 = 3,540.44/x
  3. Step 3: Cross multiply
    3,943.84x = 5,918.12 × 3,540.44
  4. Step 4: Simplify right side
    3,943.84x = 20,952,748.77
  5. Step 5: Solve for x
    x = 20,952,748.77/3,943.84
  6. Step 6: Final answer
    x = 5,312.78

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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.