Home / 3,210.37-4,812.72-3,016.78

Finding the Fourth Proportional to 3,210.37, 4,812.72 and 3,016.78

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Solution

The fourth proportional to 3,210.37, 4,812.72 and 3,016.78 is: 4,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.37 : 4,812.72 = 3,016.78 : x
  2. Step 2: Convert to fraction form
    3,210.37/4,812.72 = 3,016.78/x
  3. Step 3: Cross multiply
    3,210.37x = 4,812.72 × 3,016.78
  4. Step 4: Simplify right side
    3,210.37x = 14,518,917.44
  5. Step 5: Solve for x
    x = 14,518,917.44/3,210.37
  6. Step 6: Final answer
    x = 4,522.51

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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.