Home / 3,579.37-5,369.30-1,239.61

Finding the Fourth Proportional to 3,579.37, 5,369.30 and 1,239.61

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Solution

The fourth proportional to 3,579.37, 5,369.30 and 1,239.61 is: 1,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.37 : 5,369.30 = 1,239.61 : x
  2. Step 2: Convert to fraction form
    3,579.37/5,369.30 = 1,239.61/x
  3. Step 3: Cross multiply
    3,579.37x = 5,369.30 × 1,239.61
  4. Step 4: Simplify right side
    3,579.37x = 6,655,837.97
  5. Step 5: Solve for x
    x = 6,655,837.97/3,579.37
  6. Step 6: Final answer
    x = 1,859.50

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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.