Home / 3,100.94-4,278.84-2,054.42

Finding the Fourth Proportional to 3,100.94, 4,278.84 and 2,054.42

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Solution

The fourth proportional to 3,100.94, 4,278.84 and 2,054.42 is: 2,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.94 : 4,278.84 = 2,054.42 : x
  2. Step 2: Convert to fraction form
    3,100.94/4,278.84 = 2,054.42/x
  3. Step 3: Cross multiply
    3,100.94x = 4,278.84 × 2,054.42
  4. Step 4: Simplify right side
    3,100.94x = 8,790,532.98
  5. Step 5: Solve for x
    x = 8,790,532.98/3,100.94
  6. Step 6: Final answer
    x = 2,834.80

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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.