Home / 3,945.58-5,918.64-1,350.34

Finding the Fourth Proportional to 3,945.58, 5,918.64 and 1,350.34

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Solution

The fourth proportional to 3,945.58, 5,918.64 and 1,350.34 is: 2,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.58 : 5,918.64 = 1,350.34 : x
  2. Step 2: Convert to fraction form
    3,945.58/5,918.64 = 1,350.34/x
  3. Step 3: Cross multiply
    3,945.58x = 5,918.64 × 1,350.34
  4. Step 4: Simplify right side
    3,945.58x = 7,992,176.34
  5. Step 5: Solve for x
    x = 7,992,176.34/3,945.58
  6. Step 6: Final answer
    x = 2,025.60

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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.