Home / 3,631.24-5,438.22-2,089

Finding the Fourth Proportional to 3,631.24, 5,438.22 and 2,089

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Solution

The fourth proportional to 3,631.24, 5,438.22 and 2,089 is: 3,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.24 : 5,438.22 = 2,089 : x
  2. Step 2: Convert to fraction form
    3,631.24/5,438.22 = 2,089/x
  3. Step 3: Cross multiply
    3,631.24x = 5,438.22 × 2,089
  4. Step 4: Simplify right side
    3,631.24x = 11,360,441.58
  5. Step 5: Solve for x
    x = 11,360,441.58/3,631.24
  6. Step 6: Final answer
    x = 3,128.53

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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.