Home / 1,996.24-2,990.70-1,447.06

Finding the Fourth Proportional to 1,996.24, 2,990.70 and 1,447.06

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Solution

The fourth proportional to 1,996.24, 2,990.70 and 1,447.06 is: 2,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.24 : 2,990.70 = 1,447.06 : x
  2. Step 2: Convert to fraction form
    1,996.24/2,990.70 = 1,447.06/x
  3. Step 3: Cross multiply
    1,996.24x = 2,990.70 × 1,447.06
  4. Step 4: Simplify right side
    1,996.24x = 4,327,722.34
  5. Step 5: Solve for x
    x = 4,327,722.34/1,996.24
  6. Step 6: Final answer
    x = 2,167.94

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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.