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Finding the Fourth Proportional to 1,755.40, 2,629.04 and 1,204.60

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Solution

The fourth proportional to 1,755.40, 2,629.04 and 1,204.60 is: 1,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.40 : 2,629.04 = 1,204.60 : x
  2. Step 2: Convert to fraction form
    1,755.40/2,629.04 = 1,204.60/x
  3. Step 3: Cross multiply
    1,755.40x = 2,629.04 × 1,204.60
  4. Step 4: Simplify right side
    1,755.40x = 3,166,941.58
  5. Step 5: Solve for x
    x = 3,166,941.58/1,755.40
  6. Step 6: Final answer
    x = 1,804.11

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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.