Home / 3,210.97-4,816.44-1,019.87

Finding the Fourth Proportional to 3,210.97, 4,816.44 and 1,019.87

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Solution

The fourth proportional to 3,210.97, 4,816.44 and 1,019.87 is: 1,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.97 : 4,816.44 = 1,019.87 : x
  2. Step 2: Convert to fraction form
    3,210.97/4,816.44 = 1,019.87/x
  3. Step 3: Cross multiply
    3,210.97x = 4,816.44 × 1,019.87
  4. Step 4: Simplify right side
    3,210.97x = 4,912,142.66
  5. Step 5: Solve for x
    x = 4,912,142.66/3,210.97
  6. Step 6: Final answer
    x = 1,529.80

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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.