Home / 3,661.23-5,494.80-1,906.77

Finding the Fourth Proportional to 3,661.23, 5,494.80 and 1,906.77

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Solution

The fourth proportional to 3,661.23, 5,494.80 and 1,906.77 is: 2,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.23 : 5,494.80 = 1,906.77 : x
  2. Step 2: Convert to fraction form
    3,661.23/5,494.80 = 1,906.77/x
  3. Step 3: Cross multiply
    3,661.23x = 5,494.80 × 1,906.77
  4. Step 4: Simplify right side
    3,661.23x = 10,477,347.55
  5. Step 5: Solve for x
    x = 10,477,347.55/3,661.23
  6. Step 6: Final answer
    x = 2,861.70

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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.