Home / 3,399.84-4,687.42-2,202.70

Finding the Fourth Proportional to 3,399.84, 4,687.42 and 2,202.70

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Solution

The fourth proportional to 3,399.84, 4,687.42 and 2,202.70 is: 3,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.84 : 4,687.42 = 2,202.70 : x
  2. Step 2: Convert to fraction form
    3,399.84/4,687.42 = 2,202.70/x
  3. Step 3: Cross multiply
    3,399.84x = 4,687.42 × 2,202.70
  4. Step 4: Simplify right side
    3,399.84x = 10,324,980.03
  5. Step 5: Solve for x
    x = 10,324,980.03/3,399.84
  6. Step 6: Final answer
    x = 3,036.90

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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.