Home / 3,777.08-5,665.92-1,180

Finding the Fourth Proportional to 3,777.08, 5,665.92 and 1,180

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Solution

The fourth proportional to 3,777.08, 5,665.92 and 1,180 is: 1,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.08 : 5,665.92 = 1,180 : x
  2. Step 2: Convert to fraction form
    3,777.08/5,665.92 = 1,180/x
  3. Step 3: Cross multiply
    3,777.08x = 5,665.92 × 1,180
  4. Step 4: Simplify right side
    3,777.08x = 6,685,785.60
  5. Step 5: Solve for x
    x = 6,685,785.60/3,777.08
  6. Step 6: Final answer
    x = 1,770.09

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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.