Home / 3,849.80-5,775.37-2,000.75

Finding the Fourth Proportional to 3,849.80, 5,775.37 and 2,000.75

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Solution

The fourth proportional to 3,849.80, 5,775.37 and 2,000.75 is: 3,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.80 : 5,775.37 = 2,000.75 : x
  2. Step 2: Convert to fraction form
    3,849.80/5,775.37 = 2,000.75/x
  3. Step 3: Cross multiply
    3,849.80x = 5,775.37 × 2,000.75
  4. Step 4: Simplify right side
    3,849.80x = 11,555,080.96
  5. Step 5: Solve for x
    x = 11,555,080.96/3,849.80
  6. Step 6: Final answer
    x = 3,001.48

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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.