Home / 4,128.21-5,696.05-2,450.23

Finding the Fourth Proportional to 4,128.21, 5,696.05 and 2,450.23

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Solution

The fourth proportional to 4,128.21, 5,696.05 and 2,450.23 is: 3,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.21 : 5,696.05 = 2,450.23 : x
  2. Step 2: Convert to fraction form
    4,128.21/5,696.05 = 2,450.23/x
  3. Step 3: Cross multiply
    4,128.21x = 5,696.05 × 2,450.23
  4. Step 4: Simplify right side
    4,128.21x = 13,956,632.59
  5. Step 5: Solve for x
    x = 13,956,632.59/4,128.21
  6. Step 6: Final answer
    x = 3,380.80

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Half scale
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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.