Home / 2,439.56-3,661.50-1,270.39

Finding the Fourth Proportional to 2,439.56, 3,661.50 and 1,270.39

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Solution

The fourth proportional to 2,439.56, 3,661.50 and 1,270.39 is: 1,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.56 : 3,661.50 = 1,270.39 : x
  2. Step 2: Convert to fraction form
    2,439.56/3,661.50 = 1,270.39/x
  3. Step 3: Cross multiply
    2,439.56x = 3,661.50 × 1,270.39
  4. Step 4: Simplify right side
    2,439.56x = 4,651,532.99
  5. Step 5: Solve for x
    x = 4,651,532.99/2,439.56
  6. Step 6: Final answer
    x = 1,906.71

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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.