Home / 3,869.25-5,804.01-1,272.39

Finding the Fourth Proportional to 3,869.25, 5,804.01 and 1,272.39

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Solution

The fourth proportional to 3,869.25, 5,804.01 and 1,272.39 is: 1,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.25 : 5,804.01 = 1,272.39 : x
  2. Step 2: Convert to fraction form
    3,869.25/5,804.01 = 1,272.39/x
  3. Step 3: Cross multiply
    3,869.25x = 5,804.01 × 1,272.39
  4. Step 4: Simplify right side
    3,869.25x = 7,384,964.28
  5. Step 5: Solve for x
    x = 7,384,964.28/3,869.25
  6. Step 6: Final answer
    x = 1,908.63

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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.