Home / 3,228.67-4,456.11-1,902.43

Finding the Fourth Proportional to 3,228.67, 4,456.11 and 1,902.43

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Solution

The fourth proportional to 3,228.67, 4,456.11 and 1,902.43 is: 2,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.67 : 4,456.11 = 1,902.43 : x
  2. Step 2: Convert to fraction form
    3,228.67/4,456.11 = 1,902.43/x
  3. Step 3: Cross multiply
    3,228.67x = 4,456.11 × 1,902.43
  4. Step 4: Simplify right side
    3,228.67x = 8,477,437.35
  5. Step 5: Solve for x
    x = 8,477,437.35/3,228.67
  6. Step 6: Final answer
    x = 2,625.67

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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.