Home / 3,343.62-4,609.76-2,743.90

Finding the Fourth Proportional to 3,343.62, 4,609.76 and 2,743.90

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Solution

The fourth proportional to 3,343.62, 4,609.76 and 2,743.90 is: 3,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.62 : 4,609.76 = 2,743.90 : x
  2. Step 2: Convert to fraction form
    3,343.62/4,609.76 = 2,743.90/x
  3. Step 3: Cross multiply
    3,343.62x = 4,609.76 × 2,743.90
  4. Step 4: Simplify right side
    3,343.62x = 12,648,720.46
  5. Step 5: Solve for x
    x = 12,648,720.46/3,343.62
  6. Step 6: Final answer
    x = 3,782.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.