Home / 3,028.40-4,536.60-2,667.60

Finding the Fourth Proportional to 3,028.40, 4,536.60 and 2,667.60

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Solution

The fourth proportional to 3,028.40, 4,536.60 and 2,667.60 is: 3,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.40 : 4,536.60 = 2,667.60 : x
  2. Step 2: Convert to fraction form
    3,028.40/4,536.60 = 2,667.60/x
  3. Step 3: Cross multiply
    3,028.40x = 4,536.60 × 2,667.60
  4. Step 4: Simplify right side
    3,028.40x = 12,101,834.16
  5. Step 5: Solve for x
    x = 12,101,834.16/3,028.40
  6. Step 6: Final answer
    x = 3,996.11

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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.