Home / 3,097.45-4,277.22-2,106.41

Finding the Fourth Proportional to 3,097.45, 4,277.22 and 2,106.41

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Solution

The fourth proportional to 3,097.45, 4,277.22 and 2,106.41 is: 2,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.45 : 4,277.22 = 2,106.41 : x
  2. Step 2: Convert to fraction form
    3,097.45/4,277.22 = 2,106.41/x
  3. Step 3: Cross multiply
    3,097.45x = 4,277.22 × 2,106.41
  4. Step 4: Simplify right side
    3,097.45x = 9,009,578.98
  5. Step 5: Solve for x
    x = 9,009,578.98/3,097.45
  6. Step 6: Final answer
    x = 2,908.71

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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.