Home / 2,629.66-3,623.44-1,788.90

Finding the Fourth Proportional to 2,629.66, 3,623.44 and 1,788.90

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Solution

The fourth proportional to 2,629.66, 3,623.44 and 1,788.90 is: 2,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.66 : 3,623.44 = 1,788.90 : x
  2. Step 2: Convert to fraction form
    2,629.66/3,623.44 = 1,788.90/x
  3. Step 3: Cross multiply
    2,629.66x = 3,623.44 × 1,788.90
  4. Step 4: Simplify right side
    2,629.66x = 6,481,944.75
  5. Step 5: Solve for x
    x = 6,481,944.75/2,629.66
  6. Step 6: Final answer
    x = 2,464.94

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1.5x scale

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.