Home / 2,783.44-4,169.49-1,318.15

Finding the Fourth Proportional to 2,783.44, 4,169.49 and 1,318.15

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Solution

The fourth proportional to 2,783.44, 4,169.49 and 1,318.15 is: 1,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.44 : 4,169.49 = 1,318.15 : x
  2. Step 2: Convert to fraction form
    2,783.44/4,169.49 = 1,318.15/x
  3. Step 3: Cross multiply
    2,783.44x = 4,169.49 × 1,318.15
  4. Step 4: Simplify right side
    2,783.44x = 5,496,013.24
  5. Step 5: Solve for x
    x = 5,496,013.24/2,783.44
  6. Step 6: Final answer
    x = 1,974.54

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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.