Home / 3,782.05-5,673.66-1,932.16

Finding the Fourth Proportional to 3,782.05, 5,673.66 and 1,932.16

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Solution

The fourth proportional to 3,782.05, 5,673.66 and 1,932.16 is: 2,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.05 : 5,673.66 = 1,932.16 : x
  2. Step 2: Convert to fraction form
    3,782.05/5,673.66 = 1,932.16/x
  3. Step 3: Cross multiply
    3,782.05x = 5,673.66 × 1,932.16
  4. Step 4: Simplify right side
    3,782.05x = 10,962,418.91
  5. Step 5: Solve for x
    x = 10,962,418.91/3,782.05
  6. Step 6: Final answer
    x = 2,898.54

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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.