Home / 3,945.96-5,908.47-2,383.86

Finding the Fourth Proportional to 3,945.96, 5,908.47 and 2,383.86

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Solution

The fourth proportional to 3,945.96, 5,908.47 and 2,383.86 is: 3,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.96 : 5,908.47 = 2,383.86 : x
  2. Step 2: Convert to fraction form
    3,945.96/5,908.47 = 2,383.86/x
  3. Step 3: Cross multiply
    3,945.96x = 5,908.47 × 2,383.86
  4. Step 4: Simplify right side
    3,945.96x = 14,084,965.29
  5. Step 5: Solve for x
    x = 14,084,965.29/3,945.96
  6. Step 6: Final answer
    x = 3,569.46

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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.