Home / 3,050.90-4,211.43-2,003.30

Finding the Fourth Proportional to 3,050.90, 4,211.43 and 2,003.30

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Solution

The fourth proportional to 3,050.90, 4,211.43 and 2,003.30 is: 2,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.90 : 4,211.43 = 2,003.30 : x
  2. Step 2: Convert to fraction form
    3,050.90/4,211.43 = 2,003.30/x
  3. Step 3: Cross multiply
    3,050.90x = 4,211.43 × 2,003.30
  4. Step 4: Simplify right side
    3,050.90x = 8,436,757.72
  5. Step 5: Solve for x
    x = 8,436,757.72/3,050.90
  6. Step 6: Final answer
    x = 2,765.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.