Home / 3,110.94-4,662.09-2,698.20

Finding the Fourth Proportional to 3,110.94, 4,662.09 and 2,698.20

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Solution

The fourth proportional to 3,110.94, 4,662.09 and 2,698.20 is: 4,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.94 : 4,662.09 = 2,698.20 : x
  2. Step 2: Convert to fraction form
    3,110.94/4,662.09 = 2,698.20/x
  3. Step 3: Cross multiply
    3,110.94x = 4,662.09 × 2,698.20
  4. Step 4: Simplify right side
    3,110.94x = 12,579,251.24
  5. Step 5: Solve for x
    x = 12,579,251.24/3,110.94
  6. Step 6: Final answer
    x = 4,043.55

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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.