Home / 3,216.18-4,436.84-2,222.84

Finding the Fourth Proportional to 3,216.18, 4,436.84 and 2,222.84

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Solution

The fourth proportional to 3,216.18, 4,436.84 and 2,222.84 is: 3,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.18 : 4,436.84 = 2,222.84 : x
  2. Step 2: Convert to fraction form
    3,216.18/4,436.84 = 2,222.84/x
  3. Step 3: Cross multiply
    3,216.18x = 4,436.84 × 2,222.84
  4. Step 4: Simplify right side
    3,216.18x = 9,862,385.43
  5. Step 5: Solve for x
    x = 9,862,385.43/3,216.18
  6. Step 6: Final answer
    x = 3,066.49

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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.