Home / 1,958.14-2,702.25-1,172.19

Finding the Fourth Proportional to 1,958.14, 2,702.25 and 1,172.19

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Solution

The fourth proportional to 1,958.14, 2,702.25 and 1,172.19 is: 1,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.14 : 2,702.25 = 1,172.19 : x
  2. Step 2: Convert to fraction form
    1,958.14/2,702.25 = 1,172.19/x
  3. Step 3: Cross multiply
    1,958.14x = 2,702.25 × 1,172.19
  4. Step 4: Simplify right side
    1,958.14x = 3,167,544.57
  5. Step 5: Solve for x
    x = 3,167,544.57/1,958.14
  6. Step 6: Final answer
    x = 1,617.63

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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.