Home / 3,782.15-5,673.23-1,838.15

Finding the Fourth Proportional to 3,782.15, 5,673.23 and 1,838.15

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Solution

The fourth proportional to 3,782.15, 5,673.23 and 1,838.15 is: 2,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.15 : 5,673.23 = 1,838.15 : x
  2. Step 2: Convert to fraction form
    3,782.15/5,673.23 = 1,838.15/x
  3. Step 3: Cross multiply
    3,782.15x = 5,673.23 × 1,838.15
  4. Step 4: Simplify right side
    3,782.15x = 10,428,238.53
  5. Step 5: Solve for x
    x = 10,428,238.53/3,782.15
  6. Step 6: Final answer
    x = 2,757.23

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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.