Home / 3,396.47-5,090.40-1,936.44

Finding the Fourth Proportional to 3,396.47, 5,090.40 and 1,936.44

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Solution

The fourth proportional to 3,396.47, 5,090.40 and 1,936.44 is: 2,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.47 : 5,090.40 = 1,936.44 : x
  2. Step 2: Convert to fraction form
    3,396.47/5,090.40 = 1,936.44/x
  3. Step 3: Cross multiply
    3,396.47x = 5,090.40 × 1,936.44
  4. Step 4: Simplify right side
    3,396.47x = 9,857,254.18
  5. Step 5: Solve for x
    x = 9,857,254.18/3,396.47
  6. Step 6: Final answer
    x = 2,902.21

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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.