Home / 3,149.20-4,723.16-2,993.08

Finding the Fourth Proportional to 3,149.20, 4,723.16 and 2,993.08

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Solution

The fourth proportional to 3,149.20, 4,723.16 and 2,993.08 is: 4,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.20 : 4,723.16 = 2,993.08 : x
  2. Step 2: Convert to fraction form
    3,149.20/4,723.16 = 2,993.08/x
  3. Step 3: Cross multiply
    3,149.20x = 4,723.16 × 2,993.08
  4. Step 4: Simplify right side
    3,149.20x = 14,136,772.12
  5. Step 5: Solve for x
    x = 14,136,772.12/3,149.20
  6. Step 6: Final answer
    x = 4,489.01

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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.