Home / 3,186.24-4,777.60-1,076.96

Finding the Fourth Proportional to 3,186.24, 4,777.60 and 1,076.96

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Solution

The fourth proportional to 3,186.24, 4,777.60 and 1,076.96 is: 1,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.24 : 4,777.60 = 1,076.96 : x
  2. Step 2: Convert to fraction form
    3,186.24/4,777.60 = 1,076.96/x
  3. Step 3: Cross multiply
    3,186.24x = 4,777.60 × 1,076.96
  4. Step 4: Simplify right side
    3,186.24x = 5,145,284.10
  5. Step 5: Solve for x
    x = 5,145,284.10/3,186.24
  6. Step 6: Final answer
    x = 1,614.85

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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.