Home / 3,208.28-4,812.42-1,476.68

Finding the Fourth Proportional to 3,208.28, 4,812.42 and 1,476.68

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Solution

The fourth proportional to 3,208.28, 4,812.42 and 1,476.68 is: 2,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.28 : 4,812.42 = 1,476.68 : x
  2. Step 2: Convert to fraction form
    3,208.28/4,812.42 = 1,476.68/x
  3. Step 3: Cross multiply
    3,208.28x = 4,812.42 × 1,476.68
  4. Step 4: Simplify right side
    3,208.28x = 7,106,404.37
  5. Step 5: Solve for x
    x = 7,106,404.37/3,208.28
  6. Step 6: Final answer
    x = 2,215.02

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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.