Home / 2,692.69-4,040.33-1,394.16

Finding the Fourth Proportional to 2,692.69, 4,040.33 and 1,394.16

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Solution

The fourth proportional to 2,692.69, 4,040.33 and 1,394.16 is: 2,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.69 : 4,040.33 = 1,394.16 : x
  2. Step 2: Convert to fraction form
    2,692.69/4,040.33 = 1,394.16/x
  3. Step 3: Cross multiply
    2,692.69x = 4,040.33 × 1,394.16
  4. Step 4: Simplify right side
    2,692.69x = 5,632,874.92
  5. Step 5: Solve for x
    x = 5,632,874.92/2,692.69
  6. Step 6: Final answer
    x = 2,091.91

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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.