Home / 2,790.09-4,185.15-2,269.47

Finding the Fourth Proportional to 2,790.09, 4,185.15 and 2,269.47

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Solution

The fourth proportional to 2,790.09, 4,185.15 and 2,269.47 is: 3,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.09 : 4,185.15 = 2,269.47 : x
  2. Step 2: Convert to fraction form
    2,790.09/4,185.15 = 2,269.47/x
  3. Step 3: Cross multiply
    2,790.09x = 4,185.15 × 2,269.47
  4. Step 4: Simplify right side
    2,790.09x = 9,498,072.37
  5. Step 5: Solve for x
    x = 9,498,072.37/2,790.09
  6. Step 6: Final answer
    x = 3,404.22

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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.