Home / 1,974.56-2,725.57-1,229.16

Finding the Fourth Proportional to 1,974.56, 2,725.57 and 1,229.16

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Solution

The fourth proportional to 1,974.56, 2,725.57 and 1,229.16 is: 1,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.56 : 2,725.57 = 1,229.16 : x
  2. Step 2: Convert to fraction form
    1,974.56/2,725.57 = 1,229.16/x
  3. Step 3: Cross multiply
    1,974.56x = 2,725.57 × 1,229.16
  4. Step 4: Simplify right side
    1,974.56x = 3,350,161.50
  5. Step 5: Solve for x
    x = 3,350,161.50/1,974.56
  6. Step 6: Final answer
    x = 1,696.66

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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.