Home / 1,997.21-2,996.75-1,023.99

Finding the Fourth Proportional to 1,997.21, 2,996.75 and 1,023.99

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Solution

The fourth proportional to 1,997.21, 2,996.75 and 1,023.99 is: 1,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.21 : 2,996.75 = 1,023.99 : x
  2. Step 2: Convert to fraction form
    1,997.21/2,996.75 = 1,023.99/x
  3. Step 3: Cross multiply
    1,997.21x = 2,996.75 × 1,023.99
  4. Step 4: Simplify right side
    1,997.21x = 3,068,644.45
  5. Step 5: Solve for x
    x = 3,068,644.45/1,997.21
  6. Step 6: Final answer
    x = 1,536.47

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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.