Home / 1,383.44-1,904.52-1,199.48

Finding the Fourth Proportional to 1,383.44, 1,904.52 and 1,199.48

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Solution

The fourth proportional to 1,383.44, 1,904.52 and 1,199.48 is: 1,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383.44 : 1,904.52 = 1,199.48 : x
  2. Step 2: Convert to fraction form
    1,383.44/1,904.52 = 1,199.48/x
  3. Step 3: Cross multiply
    1,383.44x = 1,904.52 × 1,199.48
  4. Step 4: Simplify right side
    1,383.44x = 2,284,433.65
  5. Step 5: Solve for x
    x = 2,284,433.65/1,383.44
  6. Step 6: Final answer
    x = 1,651.27

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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.