Home / 4,071.41-5,612.42-3,185.67

Finding the Fourth Proportional to 4,071.41, 5,612.42 and 3,185.67

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Solution

The fourth proportional to 4,071.41, 5,612.42 and 3,185.67 is: 4,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.41 : 5,612.42 = 3,185.67 : x
  2. Step 2: Convert to fraction form
    4,071.41/5,612.42 = 3,185.67/x
  3. Step 3: Cross multiply
    4,071.41x = 5,612.42 × 3,185.67
  4. Step 4: Simplify right side
    4,071.41x = 17,879,324.09
  5. Step 5: Solve for x
    x = 17,879,324.09/4,071.41
  6. Step 6: Final answer
    x = 4,391.44

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Half scale
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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.