Home / 3,076.44-4,611.78-1,705.56

Finding the Fourth Proportional to 3,076.44, 4,611.78 and 1,705.56

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Solution

The fourth proportional to 3,076.44, 4,611.78 and 1,705.56 is: 2,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.44 : 4,611.78 = 1,705.56 : x
  2. Step 2: Convert to fraction form
    3,076.44/4,611.78 = 1,705.56/x
  3. Step 3: Cross multiply
    3,076.44x = 4,611.78 × 1,705.56
  4. Step 4: Simplify right side
    3,076.44x = 7,865,667.50
  5. Step 5: Solve for x
    x = 7,865,667.50/3,076.44
  6. Step 6: Final answer
    x = 2,556.74

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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.