Home / 2,918.38-4,379.24-1,069.25

Finding the Fourth Proportional to 2,918.38, 4,379.24 and 1,069.25

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Solution

The fourth proportional to 2,918.38, 4,379.24 and 1,069.25 is: 1,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.38 : 4,379.24 = 1,069.25 : x
  2. Step 2: Convert to fraction form
    2,918.38/4,379.24 = 1,069.25/x
  3. Step 3: Cross multiply
    2,918.38x = 4,379.24 × 1,069.25
  4. Step 4: Simplify right side
    2,918.38x = 4,682,497.02
  5. Step 5: Solve for x
    x = 4,682,497.02/2,918.38
  6. Step 6: Final answer
    x = 1,604.49

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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.