Home / 2,218.36-3,323.88-983.92

Finding the Fourth Proportional to 2,218.36, 3,323.88 and 983.92

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Solution

The fourth proportional to 2,218.36, 3,323.88 and 983.92 is: 1,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.36 : 3,323.88 = 983.92 : x
  2. Step 2: Convert to fraction form
    2,218.36/3,323.88 = 983.92/x
  3. Step 3: Cross multiply
    2,218.36x = 3,323.88 × 983.92
  4. Step 4: Simplify right side
    2,218.36x = 3,270,432.01
  5. Step 5: Solve for x
    x = 3,270,432.01/2,218.36
  6. Step 6: Final answer
    x = 1,474.26

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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.