Home / 2,692.92-4,040.60-1,375.86

Finding the Fourth Proportional to 2,692.92, 4,040.60 and 1,375.86

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Solution

The fourth proportional to 2,692.92, 4,040.60 and 1,375.86 is: 2,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.92 : 4,040.60 = 1,375.86 : x
  2. Step 2: Convert to fraction form
    2,692.92/4,040.60 = 1,375.86/x
  3. Step 3: Cross multiply
    2,692.92x = 4,040.60 × 1,375.86
  4. Step 4: Simplify right side
    2,692.92x = 5,559,299.92
  5. Step 5: Solve for x
    x = 5,559,299.92/2,692.92
  6. Step 6: Final answer
    x = 2,064.41

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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.