Home / 3,816.20-5,717.57-3,342.39

Finding the Fourth Proportional to 3,816.20, 5,717.57 and 3,342.39

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Solution

The fourth proportional to 3,816.20, 5,717.57 and 3,342.39 is: 5,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.20 : 5,717.57 = 3,342.39 : x
  2. Step 2: Convert to fraction form
    3,816.20/5,717.57 = 3,342.39/x
  3. Step 3: Cross multiply
    3,816.20x = 5,717.57 × 3,342.39
  4. Step 4: Simplify right side
    3,816.20x = 19,110,348.79
  5. Step 5: Solve for x
    x = 19,110,348.79/3,816.20
  6. Step 6: Final answer
    x = 5,007.69

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1.5x scale

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.