Home / 3,491.09-4,816.61-1,998.73

Finding the Fourth Proportional to 3,491.09, 4,816.61 and 1,998.73

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Solution

The fourth proportional to 3,491.09, 4,816.61 and 1,998.73 is: 2,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.09 : 4,816.61 = 1,998.73 : x
  2. Step 2: Convert to fraction form
    3,491.09/4,816.61 = 1,998.73/x
  3. Step 3: Cross multiply
    3,491.09x = 4,816.61 × 1,998.73
  4. Step 4: Simplify right side
    3,491.09x = 9,627,102.91
  5. Step 5: Solve for x
    x = 9,627,102.91/3,491.09
  6. Step 6: Final answer
    x = 2,757.62

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,492.09, 4,817.99 and 1,999.73
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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.