Home / 3,816.21-5,724.32-1,624.66

Finding the Fourth Proportional to 3,816.21, 5,724.32 and 1,624.66

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Solution

The fourth proportional to 3,816.21, 5,724.32 and 1,624.66 is: 2,436.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.21 : 5,724.32 = 1,624.66 : x
  2. Step 2: Convert to fraction form
    3,816.21/5,724.32 = 1,624.66/x
  3. Step 3: Cross multiply
    3,816.21x = 5,724.32 × 1,624.66
  4. Step 4: Simplify right side
    3,816.21x = 9,300,060.44
  5. Step 5: Solve for x
    x = 9,300,060.44/3,816.21
  6. Step 6: Final answer
    x = 2,436.99

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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.