Home / 2,189.58-3,289.59-1,832.28

Finding the Fourth Proportional to 2,189.58, 3,289.59 and 1,832.28

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Solution

The fourth proportional to 2,189.58, 3,289.59 and 1,832.28 is: 2,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.58 : 3,289.59 = 1,832.28 : x
  2. Step 2: Convert to fraction form
    2,189.58/3,289.59 = 1,832.28/x
  3. Step 3: Cross multiply
    2,189.58x = 3,289.59 × 1,832.28
  4. Step 4: Simplify right side
    2,189.58x = 6,027,449.97
  5. Step 5: Solve for x
    x = 6,027,449.97/2,189.58
  6. Step 6: Final answer
    x = 2,752.79

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1.5x scale

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.