Home / 3,890.22-5,828.94-2,571.03

Finding the Fourth Proportional to 3,890.22, 5,828.94 and 2,571.03

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Solution

The fourth proportional to 3,890.22, 5,828.94 and 2,571.03 is: 3,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.22 : 5,828.94 = 2,571.03 : x
  2. Step 2: Convert to fraction form
    3,890.22/5,828.94 = 2,571.03/x
  3. Step 3: Cross multiply
    3,890.22x = 5,828.94 × 2,571.03
  4. Step 4: Simplify right side
    3,890.22x = 14,986,379.61
  5. Step 5: Solve for x
    x = 14,986,379.61/3,890.22
  6. Step 6: Final answer
    x = 3,852.32

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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.