Home / 3,927.15-5,424.26-2,936.84

Finding the Fourth Proportional to 3,927.15, 5,424.26 and 2,936.84

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Solution

The fourth proportional to 3,927.15, 5,424.26 and 2,936.84 is: 4,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.15 : 5,424.26 = 2,936.84 : x
  2. Step 2: Convert to fraction form
    3,927.15/5,424.26 = 2,936.84/x
  3. Step 3: Cross multiply
    3,927.15x = 5,424.26 × 2,936.84
  4. Step 4: Simplify right side
    3,927.15x = 15,930,141.93
  5. Step 5: Solve for x
    x = 15,930,141.93/3,927.15
  6. Step 6: Final answer
    x = 4,056.41

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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.