Home / 3,338.46-5,004.45-1,389.60

Finding the Fourth Proportional to 3,338.46, 5,004.45 and 1,389.60

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Solution

The fourth proportional to 3,338.46, 5,004.45 and 1,389.60 is: 2,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.46 : 5,004.45 = 1,389.60 : x
  2. Step 2: Convert to fraction form
    3,338.46/5,004.45 = 1,389.60/x
  3. Step 3: Cross multiply
    3,338.46x = 5,004.45 × 1,389.60
  4. Step 4: Simplify right side
    3,338.46x = 6,954,183.72
  5. Step 5: Solve for x
    x = 6,954,183.72/3,338.46
  6. Step 6: Final answer
    x = 2,083.05

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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.