Home / 3,967.20-5,473.38-2,288.56

Finding the Fourth Proportional to 3,967.20, 5,473.38 and 2,288.56

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Solution

The fourth proportional to 3,967.20, 5,473.38 and 2,288.56 is: 3,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.20 : 5,473.38 = 2,288.56 : x
  2. Step 2: Convert to fraction form
    3,967.20/5,473.38 = 2,288.56/x
  3. Step 3: Cross multiply
    3,967.20x = 5,473.38 × 2,288.56
  4. Step 4: Simplify right side
    3,967.20x = 12,526,158.53
  5. Step 5: Solve for x
    x = 12,526,158.53/3,967.20
  6. Step 6: Final answer
    x = 3,157.43

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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.