Home / 3,777.30-5,665.86-1,179.90

Finding the Fourth Proportional to 3,777.30, 5,665.86 and 1,179.90

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Solution

The fourth proportional to 3,777.30, 5,665.86 and 1,179.90 is: 1,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.30 : 5,665.86 = 1,179.90 : x
  2. Step 2: Convert to fraction form
    3,777.30/5,665.86 = 1,179.90/x
  3. Step 3: Cross multiply
    3,777.30x = 5,665.86 × 1,179.90
  4. Step 4: Simplify right side
    3,777.30x = 6,685,148.21
  5. Step 5: Solve for x
    x = 6,685,148.21/3,777.30
  6. Step 6: Final answer
    x = 1,769.82

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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.