Home / 3,209.12-4,814.33-1,823.12

Finding the Fourth Proportional to 3,209.12, 4,814.33 and 1,823.12

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Solution

The fourth proportional to 3,209.12, 4,814.33 and 1,823.12 is: 2,735.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.12 : 4,814.33 = 1,823.12 : x
  2. Step 2: Convert to fraction form
    3,209.12/4,814.33 = 1,823.12/x
  3. Step 3: Cross multiply
    3,209.12x = 4,814.33 × 1,823.12
  4. Step 4: Simplify right side
    3,209.12x = 8,777,068.12
  5. Step 5: Solve for x
    x = 8,777,068.12/3,209.12
  6. Step 6: Final answer
    x = 2,735.04

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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.