Home / 3,209.29-4,429.86-1,882.96

Finding the Fourth Proportional to 3,209.29, 4,429.86 and 1,882.96

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Solution

The fourth proportional to 3,209.29, 4,429.86 and 1,882.96 is: 2,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.29 : 4,429.86 = 1,882.96 : x
  2. Step 2: Convert to fraction form
    3,209.29/4,429.86 = 1,882.96/x
  3. Step 3: Cross multiply
    3,209.29x = 4,429.86 × 1,882.96
  4. Step 4: Simplify right side
    3,209.29x = 8,341,227.04
  5. Step 5: Solve for x
    x = 8,341,227.04/3,209.29
  6. Step 6: Final answer
    x = 2,599.09

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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.