Home / 3,961.56-5,940.16-1,769.16

Finding the Fourth Proportional to 3,961.56, 5,940.16 and 1,769.16

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Solution

The fourth proportional to 3,961.56, 5,940.16 and 1,769.16 is: 2,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.56 : 5,940.16 = 1,769.16 : x
  2. Step 2: Convert to fraction form
    3,961.56/5,940.16 = 1,769.16/x
  3. Step 3: Cross multiply
    3,961.56x = 5,940.16 × 1,769.16
  4. Step 4: Simplify right side
    3,961.56x = 10,509,093.47
  5. Step 5: Solve for x
    x = 10,509,093.47/3,961.56
  6. Step 6: Final answer
    x = 2,652.77

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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.