Home / 2,173.44-3,258-1,132.80

Finding the Fourth Proportional to 2,173.44, 3,258 and 1,132.80

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Solution

The fourth proportional to 2,173.44, 3,258 and 1,132.80 is: 1,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.44 : 3,258 = 1,132.80 : x
  2. Step 2: Convert to fraction form
    2,173.44/3,258 = 1,132.80/x
  3. Step 3: Cross multiply
    2,173.44x = 3,258 × 1,132.80
  4. Step 4: Simplify right side
    2,173.44x = 3,690,662.40
  5. Step 5: Solve for x
    x = 3,690,662.40/2,173.44
  6. Step 6: Final answer
    x = 1,698.07

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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.