Home / 2,939.56-4,407.26-2,662.76

Finding the Fourth Proportional to 2,939.56, 4,407.26 and 2,662.76

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Solution

The fourth proportional to 2,939.56, 4,407.26 and 2,662.76 is: 3,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.56 : 4,407.26 = 2,662.76 : x
  2. Step 2: Convert to fraction form
    2,939.56/4,407.26 = 2,662.76/x
  3. Step 3: Cross multiply
    2,939.56x = 4,407.26 × 2,662.76
  4. Step 4: Simplify right side
    2,939.56x = 11,735,473.34
  5. Step 5: Solve for x
    x = 11,735,473.34/2,939.56
  6. Step 6: Final answer
    x = 3,992.26

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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.