Home / 3,926.44-5,415.46-2,864.03

Finding the Fourth Proportional to 3,926.44, 5,415.46 and 2,864.03

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Solution

The fourth proportional to 3,926.44, 5,415.46 and 2,864.03 is: 3,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.44 : 5,415.46 = 2,864.03 : x
  2. Step 2: Convert to fraction form
    3,926.44/5,415.46 = 2,864.03/x
  3. Step 3: Cross multiply
    3,926.44x = 5,415.46 × 2,864.03
  4. Step 4: Simplify right side
    3,926.44x = 15,510,005.67
  5. Step 5: Solve for x
    x = 15,510,005.67/3,926.44
  6. Step 6: Final answer
    x = 3,950.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.