Home / 3,912.24-5,868.48-1,719.84

Finding the Fourth Proportional to 3,912.24, 5,868.48 and 1,719.84

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Solution

The fourth proportional to 3,912.24, 5,868.48 and 1,719.84 is: 2,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.24 : 5,868.48 = 1,719.84 : x
  2. Step 2: Convert to fraction form
    3,912.24/5,868.48 = 1,719.84/x
  3. Step 3: Cross multiply
    3,912.24x = 5,868.48 × 1,719.84
  4. Step 4: Simplify right side
    3,912.24x = 10,092,846.64
  5. Step 5: Solve for x
    x = 10,092,846.64/3,912.24
  6. Step 6: Final answer
    x = 2,579.81

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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.