Home / 2,187.75-3,273.42-1,362.16

Finding the Fourth Proportional to 2,187.75, 3,273.42 and 1,362.16

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Solution

The fourth proportional to 2,187.75, 3,273.42 and 1,362.16 is: 2,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.75 : 3,273.42 = 1,362.16 : x
  2. Step 2: Convert to fraction form
    2,187.75/3,273.42 = 1,362.16/x
  3. Step 3: Cross multiply
    2,187.75x = 3,273.42 × 1,362.16
  4. Step 4: Simplify right side
    2,187.75x = 4,458,913.60
  5. Step 5: Solve for x
    x = 4,458,913.60/2,187.75
  6. Step 6: Final answer
    x = 2,038.13

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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.