Home / 2,571.21-3,858.44-927.77

Finding the Fourth Proportional to 2,571.21, 3,858.44 and 927.77

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Solution

The fourth proportional to 2,571.21, 3,858.44 and 927.77 is: 1,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.21 : 3,858.44 = 927.77 : x
  2. Step 2: Convert to fraction form
    2,571.21/3,858.44 = 927.77/x
  3. Step 3: Cross multiply
    2,571.21x = 3,858.44 × 927.77
  4. Step 4: Simplify right side
    2,571.21x = 3,579,720.95
  5. Step 5: Solve for x
    x = 3,579,720.95/2,571.21
  6. Step 6: Final answer
    x = 1,392.23

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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.