Home / 1,954.26-2,696.00-1,207.94

Finding the Fourth Proportional to 1,954.26, 2,696.00 and 1,207.94

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Solution

The fourth proportional to 1,954.26, 2,696.00 and 1,207.94 is: 1,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.26 : 2,696.00 = 1,207.94 : x
  2. Step 2: Convert to fraction form
    1,954.26/2,696.00 = 1,207.94/x
  3. Step 3: Cross multiply
    1,954.26x = 2,696.00 × 1,207.94
  4. Step 4: Simplify right side
    1,954.26x = 3,256,586.72
  5. Step 5: Solve for x
    x = 3,256,586.72/1,954.26
  6. Step 6: Final answer
    x = 1,666.40

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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.