Home / 1,227.57-1,837.98-1,110.12

Finding the Fourth Proportional to 1,227.57, 1,837.98 and 1,110.12

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Solution

The fourth proportional to 1,227.57, 1,837.98 and 1,110.12 is: 1,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.57 : 1,837.98 = 1,110.12 : x
  2. Step 2: Convert to fraction form
    1,227.57/1,837.98 = 1,110.12/x
  3. Step 3: Cross multiply
    1,227.57x = 1,837.98 × 1,110.12
  4. Step 4: Simplify right side
    1,227.57x = 2,040,378.36
  5. Step 5: Solve for x
    x = 2,040,378.36/1,227.57
  6. Step 6: Final answer
    x = 1,662.13

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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.