Home / 3,328.18-4,996.82-2,091.92

Finding the Fourth Proportional to 3,328.18, 4,996.82 and 2,091.92

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Solution

The fourth proportional to 3,328.18, 4,996.82 and 2,091.92 is: 3,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.18 : 4,996.82 = 2,091.92 : x
  2. Step 2: Convert to fraction form
    3,328.18/4,996.82 = 2,091.92/x
  3. Step 3: Cross multiply
    3,328.18x = 4,996.82 × 2,091.92
  4. Step 4: Simplify right side
    3,328.18x = 10,452,927.94
  5. Step 5: Solve for x
    x = 10,452,927.94/3,328.18
  6. Step 6: Final answer
    x = 3,140.74

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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.