Home / 3,076.97-4,245.84-1,750.31

Finding the Fourth Proportional to 3,076.97, 4,245.84 and 1,750.31

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Solution

The fourth proportional to 3,076.97, 4,245.84 and 1,750.31 is: 2,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.97 : 4,245.84 = 1,750.31 : x
  2. Step 2: Convert to fraction form
    3,076.97/4,245.84 = 1,750.31/x
  3. Step 3: Cross multiply
    3,076.97x = 4,245.84 × 1,750.31
  4. Step 4: Simplify right side
    3,076.97x = 7,431,514.98
  5. Step 5: Solve for x
    x = 7,431,514.98/3,076.97
  6. Step 6: Final answer
    x = 2,415.21

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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.