Home / 3,830.37-5,744.19-1,330.92

Finding the Fourth Proportional to 3,830.37, 5,744.19 and 1,330.92

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Solution

The fourth proportional to 3,830.37, 5,744.19 and 1,330.92 is: 1,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.37 : 5,744.19 = 1,330.92 : x
  2. Step 2: Convert to fraction form
    3,830.37/5,744.19 = 1,330.92/x
  3. Step 3: Cross multiply
    3,830.37x = 5,744.19 × 1,330.92
  4. Step 4: Simplify right side
    3,830.37x = 7,645,057.35
  5. Step 5: Solve for x
    x = 7,645,057.35/3,830.37
  6. Step 6: Final answer
    x = 1,995.91

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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.