Home / 3,945.48-5,918.46-1,023.84

Finding the Fourth Proportional to 3,945.48, 5,918.46 and 1,023.84

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Solution

The fourth proportional to 3,945.48, 5,918.46 and 1,023.84 is: 1,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.48 : 5,918.46 = 1,023.84 : x
  2. Step 2: Convert to fraction form
    3,945.48/5,918.46 = 1,023.84/x
  3. Step 3: Cross multiply
    3,945.48x = 5,918.46 × 1,023.84
  4. Step 4: Simplify right side
    3,945.48x = 6,059,556.09
  5. Step 5: Solve for x
    x = 6,059,556.09/3,945.48
  6. Step 6: Final answer
    x = 1,535.82

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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.