Home / 1,872.27-2,583.09-1,243.98

Finding the Fourth Proportional to 1,872.27, 2,583.09 and 1,243.98

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Solution

The fourth proportional to 1,872.27, 2,583.09 and 1,243.98 is: 1,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.27 : 2,583.09 = 1,243.98 : x
  2. Step 2: Convert to fraction form
    1,872.27/2,583.09 = 1,243.98/x
  3. Step 3: Cross multiply
    1,872.27x = 2,583.09 × 1,243.98
  4. Step 4: Simplify right side
    1,872.27x = 3,213,312.30
  5. Step 5: Solve for x
    x = 3,213,312.30/1,872.27
  6. Step 6: Final answer
    x = 1,716.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.