Home / 2,004.22-2,766.36-1,218.52

Finding the Fourth Proportional to 2,004.22, 2,766.36 and 1,218.52

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Solution

The fourth proportional to 2,004.22, 2,766.36 and 1,218.52 is: 1,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.22 : 2,766.36 = 1,218.52 : x
  2. Step 2: Convert to fraction form
    2,004.22/2,766.36 = 1,218.52/x
  3. Step 3: Cross multiply
    2,004.22x = 2,766.36 × 1,218.52
  4. Step 4: Simplify right side
    2,004.22x = 3,370,864.99
  5. Step 5: Solve for x
    x = 3,370,864.99/2,004.22
  6. Step 6: Final answer
    x = 1,681.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.