Home / 3,943.28-5,438.99-3,197.27

Finding the Fourth Proportional to 3,943.28, 5,438.99 and 3,197.27

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Solution

The fourth proportional to 3,943.28, 5,438.99 and 3,197.27 is: 4,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.28 : 5,438.99 = 3,197.27 : x
  2. Step 2: Convert to fraction form
    3,943.28/5,438.99 = 3,197.27/x
  3. Step 3: Cross multiply
    3,943.28x = 5,438.99 × 3,197.27
  4. Step 4: Simplify right side
    3,943.28x = 17,389,900.36
  5. Step 5: Solve for x
    x = 17,389,900.36/3,943.28
  6. Step 6: Final answer
    x = 4,410.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.