Home / 3,323.82-4,985.87-1,243.61

Finding the Fourth Proportional to 3,323.82, 4,985.87 and 1,243.61

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Solution

The fourth proportional to 3,323.82, 4,985.87 and 1,243.61 is: 1,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.82 : 4,985.87 = 1,243.61 : x
  2. Step 2: Convert to fraction form
    3,323.82/4,985.87 = 1,243.61/x
  3. Step 3: Cross multiply
    3,323.82x = 4,985.87 × 1,243.61
  4. Step 4: Simplify right side
    3,323.82x = 6,200,477.79
  5. Step 5: Solve for x
    x = 6,200,477.79/3,323.82
  6. Step 6: Final answer
    x = 1,865.47

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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.