Home / 3,243.87-4,867.68-1,369.62

Finding the Fourth Proportional to 3,243.87, 4,867.68 and 1,369.62

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Solution

The fourth proportional to 3,243.87, 4,867.68 and 1,369.62 is: 2,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.87 : 4,867.68 = 1,369.62 : x
  2. Step 2: Convert to fraction form
    3,243.87/4,867.68 = 1,369.62/x
  3. Step 3: Cross multiply
    3,243.87x = 4,867.68 × 1,369.62
  4. Step 4: Simplify right side
    3,243.87x = 6,666,871.88
  5. Step 5: Solve for x
    x = 6,666,871.88/3,243.87
  6. Step 6: Final answer
    x = 2,055.22

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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.