Home / 4,105.92-6,157.29-1,331.93

Finding the Fourth Proportional to 4,105.92, 6,157.29 and 1,331.93

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Solution

The fourth proportional to 4,105.92, 6,157.29 and 1,331.93 is: 1,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.92 : 6,157.29 = 1,331.93 : x
  2. Step 2: Convert to fraction form
    4,105.92/6,157.29 = 1,331.93/x
  3. Step 3: Cross multiply
    4,105.92x = 6,157.29 × 1,331.93
  4. Step 4: Simplify right side
    4,105.92x = 8,201,048.48
  5. Step 5: Solve for x
    x = 8,201,048.48/4,105.92
  6. Step 6: Final answer
    x = 1,997.37

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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.