Home / 3,816.48-5,723.04-1,965.84

Finding the Fourth Proportional to 3,816.48, 5,723.04 and 1,965.84

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Solution

The fourth proportional to 3,816.48, 5,723.04 and 1,965.84 is: 2,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.48 : 5,723.04 = 1,965.84 : x
  2. Step 2: Convert to fraction form
    3,816.48/5,723.04 = 1,965.84/x
  3. Step 3: Cross multiply
    3,816.48x = 5,723.04 × 1,965.84
  4. Step 4: Simplify right side
    3,816.48x = 11,250,580.95
  5. Step 5: Solve for x
    x = 11,250,580.95/3,816.48
  6. Step 6: Final answer
    x = 2,947.89

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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.