Home / 2,982.12-4,474.51-1,522.29

Finding the Fourth Proportional to 2,982.12, 4,474.51 and 1,522.29

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Solution

The fourth proportional to 2,982.12, 4,474.51 and 1,522.29 is: 2,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.12 : 4,474.51 = 1,522.29 : x
  2. Step 2: Convert to fraction form
    2,982.12/4,474.51 = 1,522.29/x
  3. Step 3: Cross multiply
    2,982.12x = 4,474.51 × 1,522.29
  4. Step 4: Simplify right side
    2,982.12x = 6,811,514.80
  5. Step 5: Solve for x
    x = 6,811,514.80/2,982.12
  6. Step 6: Final answer
    x = 2,284.12

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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.