Home / 3,989.76-5,976.48-3,252

Finding the Fourth Proportional to 3,989.76, 5,976.48 and 3,252

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Solution

The fourth proportional to 3,989.76, 5,976.48 and 3,252 is: 4,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.76 : 5,976.48 = 3,252 : x
  2. Step 2: Convert to fraction form
    3,989.76/5,976.48 = 3,252/x
  3. Step 3: Cross multiply
    3,989.76x = 5,976.48 × 3,252
  4. Step 4: Simplify right side
    3,989.76x = 19,435,512.96
  5. Step 5: Solve for x
    x = 19,435,512.96/3,989.76
  6. Step 6: Final answer
    x = 4,871.35

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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.