Home / 3,606.08-5,396.88-2,289.20

Finding the Fourth Proportional to 3,606.08, 5,396.88 and 2,289.20

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Solution

The fourth proportional to 3,606.08, 5,396.88 and 2,289.20 is: 3,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.08 : 5,396.88 = 2,289.20 : x
  2. Step 2: Convert to fraction form
    3,606.08/5,396.88 = 2,289.20/x
  3. Step 3: Cross multiply
    3,606.08x = 5,396.88 × 2,289.20
  4. Step 4: Simplify right side
    3,606.08x = 12,354,537.70
  5. Step 5: Solve for x
    x = 12,354,537.70/3,606.08
  6. Step 6: Final answer
    x = 3,426.03

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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.