Home / 3,287.99-4,513.29-2,906.62

Finding the Fourth Proportional to 3,287.99, 4,513.29 and 2,906.62

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Solution

The fourth proportional to 3,287.99, 4,513.29 and 2,906.62 is: 3,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.99 : 4,513.29 = 2,906.62 : x
  2. Step 2: Convert to fraction form
    3,287.99/4,513.29 = 2,906.62/x
  3. Step 3: Cross multiply
    3,287.99x = 4,513.29 × 2,906.62
  4. Step 4: Simplify right side
    3,287.99x = 13,118,396.80
  5. Step 5: Solve for x
    x = 13,118,396.80/3,287.99
  6. Step 6: Final answer
    x = 3,989.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.