Home / 3,778.97-5,668.47-1,181.91

Finding the Fourth Proportional to 3,778.97, 5,668.47 and 1,181.91

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Solution

The fourth proportional to 3,778.97, 5,668.47 and 1,181.91 is: 1,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.97 : 5,668.47 = 1,181.91 : x
  2. Step 2: Convert to fraction form
    3,778.97/5,668.47 = 1,181.91/x
  3. Step 3: Cross multiply
    3,778.97x = 5,668.47 × 1,181.91
  4. Step 4: Simplify right side
    3,778.97x = 6,699,621.38
  5. Step 5: Solve for x
    x = 6,699,621.38/3,778.97
  6. Step 6: Final answer
    x = 1,772.87

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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.