Home / 3,936.55-5,911.41-2,459.22

Finding the Fourth Proportional to 3,936.55, 5,911.41 and 2,459.22

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Solution

The fourth proportional to 3,936.55, 5,911.41 and 2,459.22 is: 3,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.55 : 5,911.41 = 2,459.22 : x
  2. Step 2: Convert to fraction form
    3,936.55/5,911.41 = 2,459.22/x
  3. Step 3: Cross multiply
    3,936.55x = 5,911.41 × 2,459.22
  4. Step 4: Simplify right side
    3,936.55x = 14,537,457.70
  5. Step 5: Solve for x
    x = 14,537,457.70/3,936.55
  6. Step 6: Final answer
    x = 3,692.94

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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.