Home / 3,076.78-4,245.80-1,883.75

Finding the Fourth Proportional to 3,076.78, 4,245.80 and 1,883.75

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Solution

The fourth proportional to 3,076.78, 4,245.80 and 1,883.75 is: 2,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.78 : 4,245.80 = 1,883.75 : x
  2. Step 2: Convert to fraction form
    3,076.78/4,245.80 = 1,883.75/x
  3. Step 3: Cross multiply
    3,076.78x = 4,245.80 × 1,883.75
  4. Step 4: Simplify right side
    3,076.78x = 7,998,025.75
  5. Step 5: Solve for x
    x = 7,998,025.75/3,076.78
  6. Step 6: Final answer
    x = 2,599.48

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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.