Home / 3,623.94-5,431.77-1,540.89

Finding the Fourth Proportional to 3,623.94, 5,431.77 and 1,540.89

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Solution

The fourth proportional to 3,623.94, 5,431.77 and 1,540.89 is: 2,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.94 : 5,431.77 = 1,540.89 : x
  2. Step 2: Convert to fraction form
    3,623.94/5,431.77 = 1,540.89/x
  3. Step 3: Cross multiply
    3,623.94x = 5,431.77 × 1,540.89
  4. Step 4: Simplify right side
    3,623.94x = 8,369,760.08
  5. Step 5: Solve for x
    x = 8,369,760.08/3,623.94
  6. Step 6: Final answer
    x = 2,309.57

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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.