Home / 1,816.90-2,725.37-1,168.09

Finding the Fourth Proportional to 1,816.90, 2,725.37 and 1,168.09

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Solution

The fourth proportional to 1,816.90, 2,725.37 and 1,168.09 is: 1,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.90 : 2,725.37 = 1,168.09 : x
  2. Step 2: Convert to fraction form
    1,816.90/2,725.37 = 1,168.09/x
  3. Step 3: Cross multiply
    1,816.90x = 2,725.37 × 1,168.09
  4. Step 4: Simplify right side
    1,816.90x = 3,183,477.44
  5. Step 5: Solve for x
    x = 3,183,477.44/1,816.90
  6. Step 6: Final answer
    x = 1,752.15

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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.