Home / 3,239.46-4,471.07-2,028.71

Finding the Fourth Proportional to 3,239.46, 4,471.07 and 2,028.71

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Solution

The fourth proportional to 3,239.46, 4,471.07 and 2,028.71 is: 2,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.46 : 4,471.07 = 2,028.71 : x
  2. Step 2: Convert to fraction form
    3,239.46/4,471.07 = 2,028.71/x
  3. Step 3: Cross multiply
    3,239.46x = 4,471.07 × 2,028.71
  4. Step 4: Simplify right side
    3,239.46x = 9,070,476.99
  5. Step 5: Solve for x
    x = 9,070,476.99/3,239.46
  6. Step 6: Final answer
    x = 2,800.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.