Home / 3,812.20-5,708.70-3,044.20

Finding the Fourth Proportional to 3,812.20, 5,708.70 and 3,044.20

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Solution

The fourth proportional to 3,812.20, 5,708.70 and 3,044.20 is: 4,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.20 : 5,708.70 = 3,044.20 : x
  2. Step 2: Convert to fraction form
    3,812.20/5,708.70 = 3,044.20/x
  3. Step 3: Cross multiply
    3,812.20x = 5,708.70 × 3,044.20
  4. Step 4: Simplify right side
    3,812.20x = 17,378,424.54
  5. Step 5: Solve for x
    x = 17,378,424.54/3,812.20
  6. Step 6: Final answer
    x = 4,558.63

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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.