Home / 3,858.48-5,321.88-3,328.38

Finding the Fourth Proportional to 3,858.48, 5,321.88 and 3,328.38

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Solution

The fourth proportional to 3,858.48, 5,321.88 and 3,328.38 is: 4,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.48 : 5,321.88 = 3,328.38 : x
  2. Step 2: Convert to fraction form
    3,858.48/5,321.88 = 3,328.38/x
  3. Step 3: Cross multiply
    3,858.48x = 5,321.88 × 3,328.38
  4. Step 4: Simplify right side
    3,858.48x = 17,713,238.95
  5. Step 5: Solve for x
    x = 17,713,238.95/3,858.48
  6. Step 6: Final answer
    x = 4,590.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.