Home / 1,944.12-2,912.88-1,173

Finding the Fourth Proportional to 1,944.12, 2,912.88 and 1,173

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Solution

The fourth proportional to 1,944.12, 2,912.88 and 1,173 is: 1,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.12 : 2,912.88 = 1,173 : x
  2. Step 2: Convert to fraction form
    1,944.12/2,912.88 = 1,173/x
  3. Step 3: Cross multiply
    1,944.12x = 2,912.88 × 1,173
  4. Step 4: Simplify right side
    1,944.12x = 3,416,808.24
  5. Step 5: Solve for x
    x = 3,416,808.24/1,944.12
  6. Step 6: Final answer
    x = 1,757.51

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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.