Home / 2,874.27-4,305.60-1,993.80

Finding the Fourth Proportional to 2,874.27, 4,305.60 and 1,993.80

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Solution

The fourth proportional to 2,874.27, 4,305.60 and 1,993.80 is: 2,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.27 : 4,305.60 = 1,993.80 : x
  2. Step 2: Convert to fraction form
    2,874.27/4,305.60 = 1,993.80/x
  3. Step 3: Cross multiply
    2,874.27x = 4,305.60 × 1,993.80
  4. Step 4: Simplify right side
    2,874.27x = 8,584,505.28
  5. Step 5: Solve for x
    x = 8,584,505.28/2,874.27
  6. Step 6: Final answer
    x = 2,986.67

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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.