Home / 3,926.50-5,418.53-2,248.45

Finding the Fourth Proportional to 3,926.50, 5,418.53 and 2,248.45

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Solution

The fourth proportional to 3,926.50, 5,418.53 and 2,248.45 is: 3,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.50 : 5,418.53 = 2,248.45 : x
  2. Step 2: Convert to fraction form
    3,926.50/5,418.53 = 2,248.45/x
  3. Step 3: Cross multiply
    3,926.50x = 5,418.53 × 2,248.45
  4. Step 4: Simplify right side
    3,926.50x = 12,183,293.78
  5. Step 5: Solve for x
    x = 12,183,293.78/3,926.50
  6. Step 6: Final answer
    x = 3,102.84

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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.