Home / 2,982.24-4,476.42-1,992.06

Finding the Fourth Proportional to 2,982.24, 4,476.42 and 1,992.06

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Solution

The fourth proportional to 2,982.24, 4,476.42 and 1,992.06 is: 2,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.24 : 4,476.42 = 1,992.06 : x
  2. Step 2: Convert to fraction form
    2,982.24/4,476.42 = 1,992.06/x
  3. Step 3: Cross multiply
    2,982.24x = 4,476.42 × 1,992.06
  4. Step 4: Simplify right side
    2,982.24x = 8,917,297.23
  5. Step 5: Solve for x
    x = 8,917,297.23/2,982.24
  6. Step 6: Final answer
    x = 2,990.13

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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.