Home / 2,629.70-3,944.46-1,769.48

Finding the Fourth Proportional to 2,629.70, 3,944.46 and 1,769.48

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Solution

The fourth proportional to 2,629.70, 3,944.46 and 1,769.48 is: 2,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.70 : 3,944.46 = 1,769.48 : x
  2. Step 2: Convert to fraction form
    2,629.70/3,944.46 = 1,769.48/x
  3. Step 3: Cross multiply
    2,629.70x = 3,944.46 × 1,769.48
  4. Step 4: Simplify right side
    2,629.70x = 6,979,643.08
  5. Step 5: Solve for x
    x = 6,979,643.08/2,629.70
  6. Step 6: Final answer
    x = 2,654.16

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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.