Home / 2,418.22-3,629.19-1,770.64

Finding the Fourth Proportional to 2,418.22, 3,629.19 and 1,770.64

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Solution

The fourth proportional to 2,418.22, 3,629.19 and 1,770.64 is: 2,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.22 : 3,629.19 = 1,770.64 : x
  2. Step 2: Convert to fraction form
    2,418.22/3,629.19 = 1,770.64/x
  3. Step 3: Cross multiply
    2,418.22x = 3,629.19 × 1,770.64
  4. Step 4: Simplify right side
    2,418.22x = 6,425,988.98
  5. Step 5: Solve for x
    x = 6,425,988.98/2,418.22
  6. Step 6: Final answer
    x = 2,657.32

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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.