Home / 3,480.48-5,219.09-2,020.05

Finding the Fourth Proportional to 3,480.48, 5,219.09 and 2,020.05

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Solution

The fourth proportional to 3,480.48, 5,219.09 and 2,020.05 is: 3,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.48 : 5,219.09 = 2,020.05 : x
  2. Step 2: Convert to fraction form
    3,480.48/5,219.09 = 2,020.05/x
  3. Step 3: Cross multiply
    3,480.48x = 5,219.09 × 2,020.05
  4. Step 4: Simplify right side
    3,480.48x = 10,542,812.65
  5. Step 5: Solve for x
    x = 10,542,812.65/3,480.48
  6. Step 6: Final answer
    x = 3,029.13

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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.