Home / 2,675.09-4,012.79-1,214.36

Finding the Fourth Proportional to 2,675.09, 4,012.79 and 1,214.36

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Solution

The fourth proportional to 2,675.09, 4,012.79 and 1,214.36 is: 1,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.09 : 4,012.79 = 1,214.36 : x
  2. Step 2: Convert to fraction form
    2,675.09/4,012.79 = 1,214.36/x
  3. Step 3: Cross multiply
    2,675.09x = 4,012.79 × 1,214.36
  4. Step 4: Simplify right side
    2,675.09x = 4,872,971.66
  5. Step 5: Solve for x
    x = 4,872,971.66/2,675.09
  6. Step 6: Final answer
    x = 1,821.61

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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.