Home / 2,673.21-4,009.97-1,212.48

Finding the Fourth Proportional to 2,673.21, 4,009.97 and 1,212.48

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Solution

The fourth proportional to 2,673.21, 4,009.97 and 1,212.48 is: 1,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.21 : 4,009.97 = 1,212.48 : x
  2. Step 2: Convert to fraction form
    2,673.21/4,009.97 = 1,212.48/x
  3. Step 3: Cross multiply
    2,673.21x = 4,009.97 × 1,212.48
  4. Step 4: Simplify right side
    2,673.21x = 4,862,011.46
  5. Step 5: Solve for x
    x = 4,862,011.46/2,673.21
  6. Step 6: Final answer
    x = 1,818.79

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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.