Home / 3,806.24-5,709.30-1,209.14

Finding the Fourth Proportional to 3,806.24, 5,709.30 and 1,209.14

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Solution

The fourth proportional to 3,806.24, 5,709.30 and 1,209.14 is: 1,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.24 : 5,709.30 = 1,209.14 : x
  2. Step 2: Convert to fraction form
    3,806.24/5,709.30 = 1,209.14/x
  3. Step 3: Cross multiply
    3,806.24x = 5,709.30 × 1,209.14
  4. Step 4: Simplify right side
    3,806.24x = 6,903,343.00
  5. Step 5: Solve for x
    x = 6,903,343.00/3,806.24
  6. Step 6: Final answer
    x = 1,813.69

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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.