Home / 1,960.74-2,702.97-1,369.44

Finding the Fourth Proportional to 1,960.74, 2,702.97 and 1,369.44

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Solution

The fourth proportional to 1,960.74, 2,702.97 and 1,369.44 is: 1,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.74 : 2,702.97 = 1,369.44 : x
  2. Step 2: Convert to fraction form
    1,960.74/2,702.97 = 1,369.44/x
  3. Step 3: Cross multiply
    1,960.74x = 2,702.97 × 1,369.44
  4. Step 4: Simplify right side
    1,960.74x = 3,701,555.24
  5. Step 5: Solve for x
    x = 3,701,555.24/1,960.74
  6. Step 6: Final answer
    x = 1,887.84

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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.