Home / 3,852.21-5,778.37-1,078.93

Finding the Fourth Proportional to 3,852.21, 5,778.37 and 1,078.93

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Solution

The fourth proportional to 3,852.21, 5,778.37 and 1,078.93 is: 1,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.21 : 5,778.37 = 1,078.93 : x
  2. Step 2: Convert to fraction form
    3,852.21/5,778.37 = 1,078.93/x
  3. Step 3: Cross multiply
    3,852.21x = 5,778.37 × 1,078.93
  4. Step 4: Simplify right side
    3,852.21x = 6,234,456.74
  5. Step 5: Solve for x
    x = 6,234,456.74/3,852.21
  6. Step 6: Final answer
    x = 1,618.41

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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.