Home / 3,778.06-5,645.36-2,883.64

Finding the Fourth Proportional to 3,778.06, 5,645.36 and 2,883.64

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Solution

The fourth proportional to 3,778.06, 5,645.36 and 2,883.64 is: 4,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.06 : 5,645.36 = 2,883.64 : x
  2. Step 2: Convert to fraction form
    3,778.06/5,645.36 = 2,883.64/x
  3. Step 3: Cross multiply
    3,778.06x = 5,645.36 × 2,883.64
  4. Step 4: Simplify right side
    3,778.06x = 16,279,185.91
  5. Step 5: Solve for x
    x = 16,279,185.91/3,778.06
  6. Step 6: Final answer
    x = 4,308.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.