Home / 1,755.40-2,636.82-1,106.58

Finding the Fourth Proportional to 1,755.40, 2,636.82 and 1,106.58

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Solution

The fourth proportional to 1,755.40, 2,636.82 and 1,106.58 is: 1,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.40 : 2,636.82 = 1,106.58 : x
  2. Step 2: Convert to fraction form
    1,755.40/2,636.82 = 1,106.58/x
  3. Step 3: Cross multiply
    1,755.40x = 2,636.82 × 1,106.58
  4. Step 4: Simplify right side
    1,755.40x = 2,917,852.28
  5. Step 5: Solve for x
    x = 2,917,852.28/1,755.40
  6. Step 6: Final answer
    x = 1,662.22

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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.