Home / 3,656.23-5,481.79-1,575.61

Finding the Fourth Proportional to 3,656.23, 5,481.79 and 1,575.61

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Solution

The fourth proportional to 3,656.23, 5,481.79 and 1,575.61 is: 2,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.23 : 5,481.79 = 1,575.61 : x
  2. Step 2: Convert to fraction form
    3,656.23/5,481.79 = 1,575.61/x
  3. Step 3: Cross multiply
    3,656.23x = 5,481.79 × 1,575.61
  4. Step 4: Simplify right side
    3,656.23x = 8,637,163.14
  5. Step 5: Solve for x
    x = 8,637,163.14/3,656.23
  6. Step 6: Final answer
    x = 2,362.31

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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.