Home / 2,465.05-3,678.70-2,202.09

Finding the Fourth Proportional to 2,465.05, 3,678.70 and 2,202.09

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Solution

The fourth proportional to 2,465.05, 3,678.70 and 2,202.09 is: 3,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.05 : 3,678.70 = 2,202.09 : x
  2. Step 2: Convert to fraction form
    2,465.05/3,678.70 = 2,202.09/x
  3. Step 3: Cross multiply
    2,465.05x = 3,678.70 × 2,202.09
  4. Step 4: Simplify right side
    2,465.05x = 8,100,855.96
  5. Step 5: Solve for x
    x = 8,100,855.96/2,465.05
  6. Step 6: Final answer
    x = 3,286.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.