Home / 2,202.14-3,309.78-2,146.34

Finding the Fourth Proportional to 2,202.14, 3,309.78 and 2,146.34

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Solution

The fourth proportional to 2,202.14, 3,309.78 and 2,146.34 is: 3,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.14 : 3,309.78 = 2,146.34 : x
  2. Step 2: Convert to fraction form
    2,202.14/3,309.78 = 2,146.34/x
  3. Step 3: Cross multiply
    2,202.14x = 3,309.78 × 2,146.34
  4. Step 4: Simplify right side
    2,202.14x = 7,103,913.21
  5. Step 5: Solve for x
    x = 7,103,913.21/2,202.14
  6. Step 6: Final answer
    x = 3,225.91

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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.