Home / 3,486.27-5,231.74-1,927.43

Finding the Fourth Proportional to 3,486.27, 5,231.74 and 1,927.43

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Solution

The fourth proportional to 3,486.27, 5,231.74 and 1,927.43 is: 2,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.27 : 5,231.74 = 1,927.43 : x
  2. Step 2: Convert to fraction form
    3,486.27/5,231.74 = 1,927.43/x
  3. Step 3: Cross multiply
    3,486.27x = 5,231.74 × 1,927.43
  4. Step 4: Simplify right side
    3,486.27x = 10,083,812.63
  5. Step 5: Solve for x
    x = 10,083,812.63/3,486.27
  6. Step 6: Final answer
    x = 2,892.44

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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.