Home / 3,171.27-4,749.96-1,608.58

Finding the Fourth Proportional to 3,171.27, 4,749.96 and 1,608.58

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Solution

The fourth proportional to 3,171.27, 4,749.96 and 1,608.58 is: 2,409.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.27 : 4,749.96 = 1,608.58 : x
  2. Step 2: Convert to fraction form
    3,171.27/4,749.96 = 1,608.58/x
  3. Step 3: Cross multiply
    3,171.27x = 4,749.96 × 1,608.58
  4. Step 4: Simplify right side
    3,171.27x = 7,640,666.91
  5. Step 5: Solve for x
    x = 7,640,666.91/3,171.27
  6. Step 6: Final answer
    x = 2,409.34

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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.