Home / 3,650.96-5,473.56-1,918.64

Finding the Fourth Proportional to 3,650.96, 5,473.56 and 1,918.64

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Solution

The fourth proportional to 3,650.96, 5,473.56 and 1,918.64 is: 2,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.96 : 5,473.56 = 1,918.64 : x
  2. Step 2: Convert to fraction form
    3,650.96/5,473.56 = 1,918.64/x
  3. Step 3: Cross multiply
    3,650.96x = 5,473.56 × 1,918.64
  4. Step 4: Simplify right side
    3,650.96x = 10,501,791.16
  5. Step 5: Solve for x
    x = 10,501,791.16/3,650.96
  6. Step 6: Final answer
    x = 2,876.45

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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.