Home / 3,210.69-4,816.68-1,361.79

Finding the Fourth Proportional to 3,210.69, 4,816.68 and 1,361.79

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Solution

The fourth proportional to 3,210.69, 4,816.68 and 1,361.79 is: 2,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.69 : 4,816.68 = 1,361.79 : x
  2. Step 2: Convert to fraction form
    3,210.69/4,816.68 = 1,361.79/x
  3. Step 3: Cross multiply
    3,210.69x = 4,816.68 × 1,361.79
  4. Step 4: Simplify right side
    3,210.69x = 6,559,306.66
  5. Step 5: Solve for x
    x = 6,559,306.66/3,210.69
  6. Step 6: Final answer
    x = 2,042.96

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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.