Home / 3,783.04-5,672.56-1,185.28

Finding the Fourth Proportional to 3,783.04, 5,672.56 and 1,185.28

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Solution

The fourth proportional to 3,783.04, 5,672.56 and 1,185.28 is: 1,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.04 : 5,672.56 = 1,185.28 : x
  2. Step 2: Convert to fraction form
    3,783.04/5,672.56 = 1,185.28/x
  3. Step 3: Cross multiply
    3,783.04x = 5,672.56 × 1,185.28
  4. Step 4: Simplify right side
    3,783.04x = 6,723,571.92
  5. Step 5: Solve for x
    x = 6,723,571.92/3,783.04
  6. Step 6: Final answer
    x = 1,777.29

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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.