Home / 2,285.55-3,427.26-1,189.62

Finding the Fourth Proportional to 2,285.55, 3,427.26 and 1,189.62

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Solution

The fourth proportional to 2,285.55, 3,427.26 and 1,189.62 is: 1,783.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.55 : 3,427.26 = 1,189.62 : x
  2. Step 2: Convert to fraction form
    2,285.55/3,427.26 = 1,189.62/x
  3. Step 3: Cross multiply
    2,285.55x = 3,427.26 × 1,189.62
  4. Step 4: Simplify right side
    2,285.55x = 4,077,137.04
  5. Step 5: Solve for x
    x = 4,077,137.04/2,285.55
  6. Step 6: Final answer
    x = 1,783.88

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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.