Home / 3,429.45-5,144.04-2,386.44

Finding the Fourth Proportional to 3,429.45, 5,144.04 and 2,386.44

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Solution

The fourth proportional to 3,429.45, 5,144.04 and 2,386.44 is: 3,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.45 : 5,144.04 = 2,386.44 : x
  2. Step 2: Convert to fraction form
    3,429.45/5,144.04 = 2,386.44/x
  3. Step 3: Cross multiply
    3,429.45x = 5,144.04 × 2,386.44
  4. Step 4: Simplify right side
    3,429.45x = 12,275,942.82
  5. Step 5: Solve for x
    x = 12,275,942.82/3,429.45
  6. Step 6: Final answer
    x = 3,579.57

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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.