Home / 2,760.96-4,143.36-1,393.92

Finding the Fourth Proportional to 2,760.96, 4,143.36 and 1,393.92

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Solution

The fourth proportional to 2,760.96, 4,143.36 and 1,393.92 is: 2,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.96 : 4,143.36 = 1,393.92 : x
  2. Step 2: Convert to fraction form
    2,760.96/4,143.36 = 1,393.92/x
  3. Step 3: Cross multiply
    2,760.96x = 4,143.36 × 1,393.92
  4. Step 4: Simplify right side
    2,760.96x = 5,775,512.37
  5. Step 5: Solve for x
    x = 5,775,512.37/2,760.96
  6. Step 6: Final answer
    x = 2,091.85

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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.