Home / 3,487.67-4,813.86-1,996.05

Finding the Fourth Proportional to 3,487.67, 4,813.86 and 1,996.05

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Solution

The fourth proportional to 3,487.67, 4,813.86 and 1,996.05 is: 2,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.67 : 4,813.86 = 1,996.05 : x
  2. Step 2: Convert to fraction form
    3,487.67/4,813.86 = 1,996.05/x
  3. Step 3: Cross multiply
    3,487.67x = 4,813.86 × 1,996.05
  4. Step 4: Simplify right side
    3,487.67x = 9,608,705.25
  5. Step 5: Solve for x
    x = 9,608,705.25/3,487.67
  6. Step 6: Final answer
    x = 2,755.05

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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.