Home / 2,876.27-4,308.60-1,995.80

Finding the Fourth Proportional to 2,876.27, 4,308.60 and 1,995.80

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Solution

The fourth proportional to 2,876.27, 4,308.60 and 1,995.80 is: 2,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.27 : 4,308.60 = 1,995.80 : x
  2. Step 2: Convert to fraction form
    2,876.27/4,308.60 = 1,995.80/x
  3. Step 3: Cross multiply
    2,876.27x = 4,308.60 × 1,995.80
  4. Step 4: Simplify right side
    2,876.27x = 8,599,103.88
  5. Step 5: Solve for x
    x = 8,599,103.88/2,876.27
  6. Step 6: Final answer
    x = 2,989.67

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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.