Home / 3,423.48-5,128.54-2,249.91

Finding the Fourth Proportional to 3,423.48, 5,128.54 and 2,249.91

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Solution

The fourth proportional to 3,423.48, 5,128.54 and 2,249.91 is: 3,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.48 : 5,128.54 = 2,249.91 : x
  2. Step 2: Convert to fraction form
    3,423.48/5,128.54 = 2,249.91/x
  3. Step 3: Cross multiply
    3,423.48x = 5,128.54 × 2,249.91
  4. Step 4: Simplify right side
    3,423.48x = 11,538,747.81
  5. Step 5: Solve for x
    x = 11,538,747.81/3,423.48
  6. Step 6: Final answer
    x = 3,370.48

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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.