Home / 3,718.55-5,571.79-1,963.46

Finding the Fourth Proportional to 3,718.55, 5,571.79 and 1,963.46

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Solution

The fourth proportional to 3,718.55, 5,571.79 and 1,963.46 is: 2,942.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.55 : 5,571.79 = 1,963.46 : x
  2. Step 2: Convert to fraction form
    3,718.55/5,571.79 = 1,963.46/x
  3. Step 3: Cross multiply
    3,718.55x = 5,571.79 × 1,963.46
  4. Step 4: Simplify right side
    3,718.55x = 10,939,986.79
  5. Step 5: Solve for x
    x = 10,939,986.79/3,718.55
  6. Step 6: Final answer
    x = 2,942.00

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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.