Home / 4,105.36-6,148.85-1,910.80

Finding the Fourth Proportional to 4,105.36, 6,148.85 and 1,910.80

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Solution

The fourth proportional to 4,105.36, 6,148.85 and 1,910.80 is: 2,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.36 : 6,148.85 = 1,910.80 : x
  2. Step 2: Convert to fraction form
    4,105.36/6,148.85 = 1,910.80/x
  3. Step 3: Cross multiply
    4,105.36x = 6,148.85 × 1,910.80
  4. Step 4: Simplify right side
    4,105.36x = 11,749,222.58
  5. Step 5: Solve for x
    x = 11,749,222.58/4,105.36
  6. Step 6: Final answer
    x = 2,861.92

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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.