Home / 2,409.60-3,323.97-1,623.90

Finding the Fourth Proportional to 2,409.60, 3,323.97 and 1,623.90

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Solution

The fourth proportional to 2,409.60, 3,323.97 and 1,623.90 is: 2,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.60 : 3,323.97 = 1,623.90 : x
  2. Step 2: Convert to fraction form
    2,409.60/3,323.97 = 1,623.90/x
  3. Step 3: Cross multiply
    2,409.60x = 3,323.97 × 1,623.90
  4. Step 4: Simplify right side
    2,409.60x = 5,397,794.88
  5. Step 5: Solve for x
    x = 5,397,794.88/2,409.60
  6. Step 6: Final answer
    x = 2,240.12

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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.