Home / 2,571.75-3,858.37-1,476.90

Finding the Fourth Proportional to 2,571.75, 3,858.37 and 1,476.90

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Solution

The fourth proportional to 2,571.75, 3,858.37 and 1,476.90 is: 2,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.75 : 3,858.37 = 1,476.90 : x
  2. Step 2: Convert to fraction form
    2,571.75/3,858.37 = 1,476.90/x
  3. Step 3: Cross multiply
    2,571.75x = 3,858.37 × 1,476.90
  4. Step 4: Simplify right side
    2,571.75x = 5,698,422.96
  5. Step 5: Solve for x
    x = 5,698,422.96/2,571.75
  6. Step 6: Final answer
    x = 2,215.78

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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.