Home / 2,216.55-3,325.98-984.84

Finding the Fourth Proportional to 2,216.55, 3,325.98 and 984.84

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Solution

The fourth proportional to 2,216.55, 3,325.98 and 984.84 is: 1,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.55 : 3,325.98 = 984.84 : x
  2. Step 2: Convert to fraction form
    2,216.55/3,325.98 = 984.84/x
  3. Step 3: Cross multiply
    2,216.55x = 3,325.98 × 984.84
  4. Step 4: Simplify right side
    2,216.55x = 3,275,561.84
  5. Step 5: Solve for x
    x = 3,275,561.84/2,216.55
  6. Step 6: Final answer
    x = 1,477.78

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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.