Home / 3,003.26-4,504.87-811.99

Finding the Fourth Proportional to 3,003.26, 4,504.87 and 811.99

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Solution

The fourth proportional to 3,003.26, 4,504.87 and 811.99 is: 1,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.26 : 4,504.87 = 811.99 : x
  2. Step 2: Convert to fraction form
    3,003.26/4,504.87 = 811.99/x
  3. Step 3: Cross multiply
    3,003.26x = 4,504.87 × 811.99
  4. Step 4: Simplify right side
    3,003.26x = 3,657,889.91
  5. Step 5: Solve for x
    x = 3,657,889.91/3,003.26
  6. Step 6: Final answer
    x = 1,217.97

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1.5x scale

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.