Home / 1,845.22-2,768.64-1,705.90

Finding the Fourth Proportional to 1,845.22, 2,768.64 and 1,705.90

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Solution

The fourth proportional to 1,845.22, 2,768.64 and 1,705.90 is: 2,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.22 : 2,768.64 = 1,705.90 : x
  2. Step 2: Convert to fraction form
    1,845.22/2,768.64 = 1,705.90/x
  3. Step 3: Cross multiply
    1,845.22x = 2,768.64 × 1,705.90
  4. Step 4: Simplify right side
    1,845.22x = 4,723,022.98
  5. Step 5: Solve for x
    x = 4,723,022.98/1,845.22
  6. Step 6: Final answer
    x = 2,559.60

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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.