Home / 3,782.54-5,673.83-1,317.39

Finding the Fourth Proportional to 3,782.54, 5,673.83 and 1,317.39

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Solution

The fourth proportional to 3,782.54, 5,673.83 and 1,317.39 is: 1,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.54 : 5,673.83 = 1,317.39 : x
  2. Step 2: Convert to fraction form
    3,782.54/5,673.83 = 1,317.39/x
  3. Step 3: Cross multiply
    3,782.54x = 5,673.83 × 1,317.39
  4. Step 4: Simplify right side
    3,782.54x = 7,474,640.32
  5. Step 5: Solve for x
    x = 7,474,640.32/3,782.54
  6. Step 6: Final answer
    x = 1,976.09

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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.