Home / 3,947.67-5,917.39-1,606.66

Finding the Fourth Proportional to 3,947.67, 5,917.39 and 1,606.66

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Solution

The fourth proportional to 3,947.67, 5,917.39 and 1,606.66 is: 2,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.67 : 5,917.39 = 1,606.66 : x
  2. Step 2: Convert to fraction form
    3,947.67/5,917.39 = 1,606.66/x
  3. Step 3: Cross multiply
    3,947.67x = 5,917.39 × 1,606.66
  4. Step 4: Simplify right side
    3,947.67x = 9,507,215.01
  5. Step 5: Solve for x
    x = 9,507,215.01/3,947.67
  6. Step 6: Final answer
    x = 2,408.31

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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.