Home / 2,218.24-3,324.36-1,293.28

Finding the Fourth Proportional to 2,218.24, 3,324.36 and 1,293.28

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Solution

The fourth proportional to 2,218.24, 3,324.36 and 1,293.28 is: 1,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.24 : 3,324.36 = 1,293.28 : x
  2. Step 2: Convert to fraction form
    2,218.24/3,324.36 = 1,293.28/x
  3. Step 3: Cross multiply
    2,218.24x = 3,324.36 × 1,293.28
  4. Step 4: Simplify right side
    2,218.24x = 4,299,328.30
  5. Step 5: Solve for x
    x = 4,299,328.30/2,218.24
  6. Step 6: Final answer
    x = 1,938.17

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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.