Home / 3,518.37-4,861.26-2,778.03

Finding the Fourth Proportional to 3,518.37, 4,861.26 and 2,778.03

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Solution

The fourth proportional to 3,518.37, 4,861.26 and 2,778.03 is: 3,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.37 : 4,861.26 = 2,778.03 : x
  2. Step 2: Convert to fraction form
    3,518.37/4,861.26 = 2,778.03/x
  3. Step 3: Cross multiply
    3,518.37x = 4,861.26 × 2,778.03
  4. Step 4: Simplify right side
    3,518.37x = 13,504,726.12
  5. Step 5: Solve for x
    x = 13,504,726.12/3,518.37
  6. Step 6: Final answer
    x = 3,838.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.