Home / 2,673.36-4,010.85-1,212.12

Finding the Fourth Proportional to 2,673.36, 4,010.85 and 1,212.12

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Solution

The fourth proportional to 2,673.36, 4,010.85 and 1,212.12 is: 1,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.36 : 4,010.85 = 1,212.12 : x
  2. Step 2: Convert to fraction form
    2,673.36/4,010.85 = 1,212.12/x
  3. Step 3: Cross multiply
    2,673.36x = 4,010.85 × 1,212.12
  4. Step 4: Simplify right side
    2,673.36x = 4,861,605.39
  5. Step 5: Solve for x
    x = 4,861,605.39/2,673.36
  6. Step 6: Final answer
    x = 1,818.54

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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.