Home / 3,858.28-5,757.13-3,623.20

Finding the Fourth Proportional to 3,858.28, 5,757.13 and 3,623.20

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Solution

The fourth proportional to 3,858.28, 5,757.13 and 3,623.20 is: 5,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.28 : 5,757.13 = 3,623.20 : x
  2. Step 2: Convert to fraction form
    3,858.28/5,757.13 = 3,623.20/x
  3. Step 3: Cross multiply
    3,858.28x = 5,757.13 × 3,623.20
  4. Step 4: Simplify right side
    3,858.28x = 20,859,233.42
  5. Step 5: Solve for x
    x = 20,859,233.42/3,858.28
  6. Step 6: Final answer
    x = 5,406.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.