Home / 3,964.48-5,471.52-3,021.60

Finding the Fourth Proportional to 3,964.48, 5,471.52 and 3,021.60

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Solution

The fourth proportional to 3,964.48, 5,471.52 and 3,021.60 is: 4,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.48 : 5,471.52 = 3,021.60 : x
  2. Step 2: Convert to fraction form
    3,964.48/5,471.52 = 3,021.60/x
  3. Step 3: Cross multiply
    3,964.48x = 5,471.52 × 3,021.60
  4. Step 4: Simplify right side
    3,964.48x = 16,532,744.83
  5. Step 5: Solve for x
    x = 16,532,744.83/3,964.48
  6. Step 6: Final answer
    x = 4,170.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.