Home / 3,781.98-5,219.34-2,366.54

Finding the Fourth Proportional to 3,781.98, 5,219.34 and 2,366.54

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Solution

The fourth proportional to 3,781.98, 5,219.34 and 2,366.54 is: 3,265.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.98 : 5,219.34 = 2,366.54 : x
  2. Step 2: Convert to fraction form
    3,781.98/5,219.34 = 2,366.54/x
  3. Step 3: Cross multiply
    3,781.98x = 5,219.34 × 2,366.54
  4. Step 4: Simplify right side
    3,781.98x = 12,351,776.88
  5. Step 5: Solve for x
    x = 12,351,776.88/3,781.98
  6. Step 6: Final answer
    x = 3,265.96

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1.5x scale

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.