Home / 3,589.12-5,381.12-2,908.16

Finding the Fourth Proportional to 3,589.12, 5,381.12 and 2,908.16

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Solution

The fourth proportional to 3,589.12, 5,381.12 and 2,908.16 is: 4,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.12 : 5,381.12 = 2,908.16 : x
  2. Step 2: Convert to fraction form
    3,589.12/5,381.12 = 2,908.16/x
  3. Step 3: Cross multiply
    3,589.12x = 5,381.12 × 2,908.16
  4. Step 4: Simplify right side
    3,589.12x = 15,649,157.94
  5. Step 5: Solve for x
    x = 15,649,157.94/3,589.12
  6. Step 6: Final answer
    x = 4,360.17

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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.