Home / 1,996.19-2,989.64-1,926.98

Finding the Fourth Proportional to 1,996.19, 2,989.64 and 1,926.98

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Solution

The fourth proportional to 1,996.19, 2,989.64 and 1,926.98 is: 2,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.19 : 2,989.64 = 1,926.98 : x
  2. Step 2: Convert to fraction form
    1,996.19/2,989.64 = 1,926.98/x
  3. Step 3: Cross multiply
    1,996.19x = 2,989.64 × 1,926.98
  4. Step 4: Simplify right side
    1,996.19x = 5,760,976.49
  5. Step 5: Solve for x
    x = 5,760,976.49/1,996.19
  6. Step 6: Final answer
    x = 2,885.99

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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.