Home / 3,942.68-5,914.74-1,634.36

Finding the Fourth Proportional to 3,942.68, 5,914.74 and 1,634.36

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Solution

The fourth proportional to 3,942.68, 5,914.74 and 1,634.36 is: 2,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.68 : 5,914.74 = 1,634.36 : x
  2. Step 2: Convert to fraction form
    3,942.68/5,914.74 = 1,634.36/x
  3. Step 3: Cross multiply
    3,942.68x = 5,914.74 × 1,634.36
  4. Step 4: Simplify right side
    3,942.68x = 9,666,814.47
  5. Step 5: Solve for x
    x = 9,666,814.47/3,942.68
  6. Step 6: Final answer
    x = 2,451.84

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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.