Home / 2,675.21-4,012.97-1,214.48

Finding the Fourth Proportional to 2,675.21, 4,012.97 and 1,214.48

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Solution

The fourth proportional to 2,675.21, 4,012.97 and 1,214.48 is: 1,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.21 : 4,012.97 = 1,214.48 : x
  2. Step 2: Convert to fraction form
    2,675.21/4,012.97 = 1,214.48/x
  3. Step 3: Cross multiply
    2,675.21x = 4,012.97 × 1,214.48
  4. Step 4: Simplify right side
    2,675.21x = 4,873,671.81
  5. Step 5: Solve for x
    x = 4,873,671.81/2,675.21
  6. Step 6: Final answer
    x = 1,821.79

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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.