Home / 3,684.89-5,523.19-1,601.78

Finding the Fourth Proportional to 3,684.89, 5,523.19 and 1,601.78

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Solution

The fourth proportional to 3,684.89, 5,523.19 and 1,601.78 is: 2,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.89 : 5,523.19 = 1,601.78 : x
  2. Step 2: Convert to fraction form
    3,684.89/5,523.19 = 1,601.78/x
  3. Step 3: Cross multiply
    3,684.89x = 5,523.19 × 1,601.78
  4. Step 4: Simplify right side
    3,684.89x = 8,846,903.66
  5. Step 5: Solve for x
    x = 8,846,903.66/3,684.89
  6. Step 6: Final answer
    x = 2,400.86

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1.5x scale

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.