Home / 2,774.72-4,163.34-1,999.76

Finding the Fourth Proportional to 2,774.72, 4,163.34 and 1,999.76

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Solution

The fourth proportional to 2,774.72, 4,163.34 and 1,999.76 is: 3,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.72 : 4,163.34 = 1,999.76 : x
  2. Step 2: Convert to fraction form
    2,774.72/4,163.34 = 1,999.76/x
  3. Step 3: Cross multiply
    2,774.72x = 4,163.34 × 1,999.76
  4. Step 4: Simplify right side
    2,774.72x = 8,325,680.80
  5. Step 5: Solve for x
    x = 8,325,680.80/2,774.72
  6. Step 6: Final answer
    x = 3,000.55

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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.