Home / 3,020.20-4,523.10-1,853.80

Finding the Fourth Proportional to 3,020.20, 4,523.10 and 1,853.80

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Solution

The fourth proportional to 3,020.20, 4,523.10 and 1,853.80 is: 2,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.20 : 4,523.10 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    3,020.20/4,523.10 = 1,853.80/x
  3. Step 3: Cross multiply
    3,020.20x = 4,523.10 × 1,853.80
  4. Step 4: Simplify right side
    3,020.20x = 8,384,922.78
  5. Step 5: Solve for x
    x = 8,384,922.78/3,020.20
  6. Step 6: Final answer
    x = 2,776.28

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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.