Home / 2,982.73-4,476.30-1,422.73

Finding the Fourth Proportional to 2,982.73, 4,476.30 and 1,422.73

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Solution

The fourth proportional to 2,982.73, 4,476.30 and 1,422.73 is: 2,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.73 : 4,476.30 = 1,422.73 : x
  2. Step 2: Convert to fraction form
    2,982.73/4,476.30 = 1,422.73/x
  3. Step 3: Cross multiply
    2,982.73x = 4,476.30 × 1,422.73
  4. Step 4: Simplify right side
    2,982.73x = 6,368,566.30
  5. Step 5: Solve for x
    x = 6,368,566.30/2,982.73
  6. Step 6: Final answer
    x = 2,135.15

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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.