Home / 1,954.06-2,696.86-1,114.57

Finding the Fourth Proportional to 1,954.06, 2,696.86 and 1,114.57

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Solution

The fourth proportional to 1,954.06, 2,696.86 and 1,114.57 is: 1,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.06 : 2,696.86 = 1,114.57 : x
  2. Step 2: Convert to fraction form
    1,954.06/2,696.86 = 1,114.57/x
  3. Step 3: Cross multiply
    1,954.06x = 2,696.86 × 1,114.57
  4. Step 4: Simplify right side
    1,954.06x = 3,005,853.54
  5. Step 5: Solve for x
    x = 3,005,853.54/1,954.06
  6. Step 6: Final answer
    x = 1,538.26

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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.