Home / 3,993.62-5,511.72-2,292.79

Finding the Fourth Proportional to 3,993.62, 5,511.72 and 2,292.79

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Solution

The fourth proportional to 3,993.62, 5,511.72 and 2,292.79 is: 3,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.62 : 5,511.72 = 2,292.79 : x
  2. Step 2: Convert to fraction form
    3,993.62/5,511.72 = 2,292.79/x
  3. Step 3: Cross multiply
    3,993.62x = 5,511.72 × 2,292.79
  4. Step 4: Simplify right side
    3,993.62x = 12,637,238.46
  5. Step 5: Solve for x
    x = 12,637,238.46/3,993.62
  6. Step 6: Final answer
    x = 3,164.36

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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.