Home / 2,015.21-2,998.44-1,964.99

Finding the Fourth Proportional to 2,015.21, 2,998.44 and 1,964.99

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Solution

The fourth proportional to 2,015.21, 2,998.44 and 1,964.99 is: 2,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.21 : 2,998.44 = 1,964.99 : x
  2. Step 2: Convert to fraction form
    2,015.21/2,998.44 = 1,964.99/x
  3. Step 3: Cross multiply
    2,015.21x = 2,998.44 × 1,964.99
  4. Step 4: Simplify right side
    2,015.21x = 5,891,902.29
  5. Step 5: Solve for x
    x = 5,891,902.29/2,015.21
  6. Step 6: Final answer
    x = 2,923.71

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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.