Home / 3,084.24-4,256.76-2,896.80

Finding the Fourth Proportional to 3,084.24, 4,256.76 and 2,896.80

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Solution

The fourth proportional to 3,084.24, 4,256.76 and 2,896.80 is: 3,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.24 : 4,256.76 = 2,896.80 : x
  2. Step 2: Convert to fraction form
    3,084.24/4,256.76 = 2,896.80/x
  3. Step 3: Cross multiply
    3,084.24x = 4,256.76 × 2,896.80
  4. Step 4: Simplify right side
    3,084.24x = 12,330,982.37
  5. Step 5: Solve for x
    x = 12,330,982.37/3,084.24
  6. Step 6: Final answer
    x = 3,998.06

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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.