Home / 3,229.03-4,843.55-1,379.80

Finding the Fourth Proportional to 3,229.03, 4,843.55 and 1,379.80

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Solution

The fourth proportional to 3,229.03, 4,843.55 and 1,379.80 is: 2,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.03 : 4,843.55 = 1,379.80 : x
  2. Step 2: Convert to fraction form
    3,229.03/4,843.55 = 1,379.80/x
  3. Step 3: Cross multiply
    3,229.03x = 4,843.55 × 1,379.80
  4. Step 4: Simplify right side
    3,229.03x = 6,683,130.29
  5. Step 5: Solve for x
    x = 6,683,130.29/3,229.03
  6. Step 6: Final answer
    x = 2,069.70

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1.5x scale

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.