Home / 3,926.44-5,886-1,327.56

Finding the Fourth Proportional to 3,926.44, 5,886 and 1,327.56

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Solution

The fourth proportional to 3,926.44, 5,886 and 1,327.56 is: 1,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.44 : 5,886 = 1,327.56 : x
  2. Step 2: Convert to fraction form
    3,926.44/5,886 = 1,327.56/x
  3. Step 3: Cross multiply
    3,926.44x = 5,886 × 1,327.56
  4. Step 4: Simplify right side
    3,926.44x = 7,814,018.16
  5. Step 5: Solve for x
    x = 7,814,018.16/3,926.44
  6. Step 6: Final answer
    x = 1,990.10

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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.