Home / 3,947.48-5,923.29-1,609.21

Finding the Fourth Proportional to 3,947.48, 5,923.29 and 1,609.21

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Solution

The fourth proportional to 3,947.48, 5,923.29 and 1,609.21 is: 2,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.48 : 5,923.29 = 1,609.21 : x
  2. Step 2: Convert to fraction form
    3,947.48/5,923.29 = 1,609.21/x
  3. Step 3: Cross multiply
    3,947.48x = 5,923.29 × 1,609.21
  4. Step 4: Simplify right side
    3,947.48x = 9,531,817.50
  5. Step 5: Solve for x
    x = 9,531,817.50/3,947.48
  6. Step 6: Final answer
    x = 2,414.66

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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.