Home / 2,216.97-3,325.92-1,106.98

Finding the Fourth Proportional to 2,216.97, 3,325.92 and 1,106.98

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Solution

The fourth proportional to 2,216.97, 3,325.92 and 1,106.98 is: 1,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.97 : 3,325.92 = 1,106.98 : x
  2. Step 2: Convert to fraction form
    2,216.97/3,325.92 = 1,106.98/x
  3. Step 3: Cross multiply
    2,216.97x = 3,325.92 × 1,106.98
  4. Step 4: Simplify right side
    2,216.97x = 3,681,704.76
  5. Step 5: Solve for x
    x = 3,681,704.76/2,216.97
  6. Step 6: Final answer
    x = 1,660.70

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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.