Home / 3,927.24-5,416.56-2,747.88

Finding the Fourth Proportional to 3,927.24, 5,416.56 and 2,747.88

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Solution

The fourth proportional to 3,927.24, 5,416.56 and 2,747.88 is: 3,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.24 : 5,416.56 = 2,747.88 : x
  2. Step 2: Convert to fraction form
    3,927.24/5,416.56 = 2,747.88/x
  3. Step 3: Cross multiply
    3,927.24x = 5,416.56 × 2,747.88
  4. Step 4: Simplify right side
    3,927.24x = 14,884,056.89
  5. Step 5: Solve for x
    x = 14,884,056.89/3,927.24
  6. Step 6: Final answer
    x = 3,789.95

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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.