Home / 2,237.45-3,087.68-1,229.15

Finding the Fourth Proportional to 2,237.45, 3,087.68 and 1,229.15

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Solution

The fourth proportional to 2,237.45, 3,087.68 and 1,229.15 is: 1,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.45 : 3,087.68 = 1,229.15 : x
  2. Step 2: Convert to fraction form
    2,237.45/3,087.68 = 1,229.15/x
  3. Step 3: Cross multiply
    2,237.45x = 3,087.68 × 1,229.15
  4. Step 4: Simplify right side
    2,237.45x = 3,795,223.45
  5. Step 5: Solve for x
    x = 3,795,223.45/2,237.45
  6. Step 6: Final answer
    x = 1,696.23

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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.