Home / 3,904.28-5,857.50-2,174.12

Finding the Fourth Proportional to 3,904.28, 5,857.50 and 2,174.12

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Solution

The fourth proportional to 3,904.28, 5,857.50 and 2,174.12 is: 3,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.28 : 5,857.50 = 2,174.12 : x
  2. Step 2: Convert to fraction form
    3,904.28/5,857.50 = 2,174.12/x
  3. Step 3: Cross multiply
    3,904.28x = 5,857.50 × 2,174.12
  4. Step 4: Simplify right side
    3,904.28x = 12,734,907.90
  5. Step 5: Solve for x
    x = 12,734,907.90/3,904.28
  6. Step 6: Final answer
    x = 3,261.78

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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.