Home / 3,429.09-5,138.99-1,576.11

Finding the Fourth Proportional to 3,429.09, 5,138.99 and 1,576.11

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Solution

The fourth proportional to 3,429.09, 5,138.99 and 1,576.11 is: 2,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.09 : 5,138.99 = 1,576.11 : x
  2. Step 2: Convert to fraction form
    3,429.09/5,138.99 = 1,576.11/x
  3. Step 3: Cross multiply
    3,429.09x = 5,138.99 × 1,576.11
  4. Step 4: Simplify right side
    3,429.09x = 8,099,613.53
  5. Step 5: Solve for x
    x = 8,099,613.53/3,429.09
  6. Step 6: Final answer
    x = 2,362.03

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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.