Home / 3,816.95-5,266.50-2,245.15

Finding the Fourth Proportional to 3,816.95, 5,266.50 and 2,245.15

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Solution

The fourth proportional to 3,816.95, 5,266.50 and 2,245.15 is: 3,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.95 : 5,266.50 = 2,245.15 : x
  2. Step 2: Convert to fraction form
    3,816.95/5,266.50 = 2,245.15/x
  3. Step 3: Cross multiply
    3,816.95x = 5,266.50 × 2,245.15
  4. Step 4: Simplify right side
    3,816.95x = 11,824,056.14
  5. Step 5: Solve for x
    x = 11,824,056.14/3,816.95
  6. Step 6: Final answer
    x = 3,097.78

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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.