Home / 3,021.49-4,171.59-2,706.20

Finding the Fourth Proportional to 3,021.49, 4,171.59 and 2,706.20

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Solution

The fourth proportional to 3,021.49, 4,171.59 and 2,706.20 is: 3,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.49 : 4,171.59 = 2,706.20 : x
  2. Step 2: Convert to fraction form
    3,021.49/4,171.59 = 2,706.20/x
  3. Step 3: Cross multiply
    3,021.49x = 4,171.59 × 2,706.20
  4. Step 4: Simplify right side
    3,021.49x = 11,289,136.00
  5. Step 5: Solve for x
    x = 11,289,136.00/3,021.49
  6. Step 6: Final answer
    x = 3,736.28

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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.