Home / 3,604.94-4,972.79-2,112.55

Finding the Fourth Proportional to 3,604.94, 4,972.79 and 2,112.55

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Solution

The fourth proportional to 3,604.94, 4,972.79 and 2,112.55 is: 2,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.94 : 4,972.79 = 2,112.55 : x
  2. Step 2: Convert to fraction form
    3,604.94/4,972.79 = 2,112.55/x
  3. Step 3: Cross multiply
    3,604.94x = 4,972.79 × 2,112.55
  4. Step 4: Simplify right side
    3,604.94x = 10,505,260.36
  5. Step 5: Solve for x
    x = 10,505,260.36/3,604.94
  6. Step 6: Final answer
    x = 2,914.13

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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.