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Finding the Fourth Proportional to 1,836.49, 2,759.51 and 1,716.51

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Solution

The fourth proportional to 1,836.49, 2,759.51 and 1,716.51 is: 2,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.49 : 2,759.51 = 1,716.51 : x
  2. Step 2: Convert to fraction form
    1,836.49/2,759.51 = 1,716.51/x
  3. Step 3: Cross multiply
    1,836.49x = 2,759.51 × 1,716.51
  4. Step 4: Simplify right side
    1,836.49x = 4,736,704.13
  5. Step 5: Solve for x
    x = 4,736,704.13/1,836.49
  6. Step 6: Final answer
    x = 2,579.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.