Home / 2,692.27-4,040.43-1,306.41

Finding the Fourth Proportional to 2,692.27, 4,040.43 and 1,306.41

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Solution

The fourth proportional to 2,692.27, 4,040.43 and 1,306.41 is: 1,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.27 : 4,040.43 = 1,306.41 : x
  2. Step 2: Convert to fraction form
    2,692.27/4,040.43 = 1,306.41/x
  3. Step 3: Cross multiply
    2,692.27x = 4,040.43 × 1,306.41
  4. Step 4: Simplify right side
    2,692.27x = 5,278,458.16
  5. Step 5: Solve for x
    x = 5,278,458.16/2,692.27
  6. Step 6: Final answer
    x = 1,960.60

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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.