Home / 3,209.37-4,811.22-3,015.78

Finding the Fourth Proportional to 3,209.37, 4,811.22 and 3,015.78

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Solution

The fourth proportional to 3,209.37, 4,811.22 and 3,015.78 is: 4,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.37 : 4,811.22 = 3,015.78 : x
  2. Step 2: Convert to fraction form
    3,209.37/4,811.22 = 3,015.78/x
  3. Step 3: Cross multiply
    3,209.37x = 4,811.22 × 3,015.78
  4. Step 4: Simplify right side
    3,209.37x = 14,509,581.05
  5. Step 5: Solve for x
    x = 14,509,581.05/3,209.37
  6. Step 6: Final answer
    x = 4,521.01

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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.