Home / 1,961.27-2,706.43-1,804.53

Finding the Fourth Proportional to 1,961.27, 2,706.43 and 1,804.53

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Solution

The fourth proportional to 1,961.27, 2,706.43 and 1,804.53 is: 2,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.27 : 2,706.43 = 1,804.53 : x
  2. Step 2: Convert to fraction form
    1,961.27/2,706.43 = 1,804.53/x
  3. Step 3: Cross multiply
    1,961.27x = 2,706.43 × 1,804.53
  4. Step 4: Simplify right side
    1,961.27x = 4,883,843.15
  5. Step 5: Solve for x
    x = 4,883,843.15/1,961.27
  6. Step 6: Final answer
    x = 2,490.14

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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.