Home / 2,218.22-3,324.75-1,668.64

Finding the Fourth Proportional to 2,218.22, 3,324.75 and 1,668.64

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Solution

The fourth proportional to 2,218.22, 3,324.75 and 1,668.64 is: 2,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.22 : 3,324.75 = 1,668.64 : x
  2. Step 2: Convert to fraction form
    2,218.22/3,324.75 = 1,668.64/x
  3. Step 3: Cross multiply
    2,218.22x = 3,324.75 × 1,668.64
  4. Step 4: Simplify right side
    2,218.22x = 5,547,796.27
  5. Step 5: Solve for x
    x = 5,547,796.27/2,218.22
  6. Step 6: Final answer
    x = 2,501.01

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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.