Home / 3,513.44-5,267.28-2,828

Finding the Fourth Proportional to 3,513.44, 5,267.28 and 2,828

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Solution

The fourth proportional to 3,513.44, 5,267.28 and 2,828 is: 4,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.44 : 5,267.28 = 2,828 : x
  2. Step 2: Convert to fraction form
    3,513.44/5,267.28 = 2,828/x
  3. Step 3: Cross multiply
    3,513.44x = 5,267.28 × 2,828
  4. Step 4: Simplify right side
    3,513.44x = 14,895,867.84
  5. Step 5: Solve for x
    x = 14,895,867.84/3,513.44
  6. Step 6: Final answer
    x = 4,239.68

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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.