Home / 3,483.03-5,224.41-1,290.78

Finding the Fourth Proportional to 3,483.03, 5,224.41 and 1,290.78

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Solution

The fourth proportional to 3,483.03, 5,224.41 and 1,290.78 is: 1,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.03 : 5,224.41 = 1,290.78 : x
  2. Step 2: Convert to fraction form
    3,483.03/5,224.41 = 1,290.78/x
  3. Step 3: Cross multiply
    3,483.03x = 5,224.41 × 1,290.78
  4. Step 4: Simplify right side
    3,483.03x = 6,743,563.94
  5. Step 5: Solve for x
    x = 6,743,563.94/3,483.03
  6. Step 6: Final answer
    x = 1,936.12

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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.