Home / 3,816.52-5,724.98-1,219.25

Finding the Fourth Proportional to 3,816.52, 5,724.98 and 1,219.25

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Solution

The fourth proportional to 3,816.52, 5,724.98 and 1,219.25 is: 1,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.52 : 5,724.98 = 1,219.25 : x
  2. Step 2: Convert to fraction form
    3,816.52/5,724.98 = 1,219.25/x
  3. Step 3: Cross multiply
    3,816.52x = 5,724.98 × 1,219.25
  4. Step 4: Simplify right side
    3,816.52x = 6,980,181.87
  5. Step 5: Solve for x
    x = 6,980,181.87/3,816.52
  6. Step 6: Final answer
    x = 1,828.94

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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.