Home / 2,168.08-3,250.60-1,072.19

Finding the Fourth Proportional to 2,168.08, 3,250.60 and 1,072.19

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Solution

The fourth proportional to 2,168.08, 3,250.60 and 1,072.19 is: 1,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.08 : 3,250.60 = 1,072.19 : x
  2. Step 2: Convert to fraction form
    2,168.08/3,250.60 = 1,072.19/x
  3. Step 3: Cross multiply
    2,168.08x = 3,250.60 × 1,072.19
  4. Step 4: Simplify right side
    2,168.08x = 3,485,260.81
  5. Step 5: Solve for x
    x = 3,485,260.81/2,168.08
  6. Step 6: Final answer
    x = 1,607.53

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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.