Home / 3,392.98-5,089.72-2,162.80

Finding the Fourth Proportional to 3,392.98, 5,089.72 and 2,162.80

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Solution

The fourth proportional to 3,392.98, 5,089.72 and 2,162.80 is: 3,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.98 : 5,089.72 = 2,162.80 : x
  2. Step 2: Convert to fraction form
    3,392.98/5,089.72 = 2,162.80/x
  3. Step 3: Cross multiply
    3,392.98x = 5,089.72 × 2,162.80
  4. Step 4: Simplify right side
    3,392.98x = 11,008,046.42
  5. Step 5: Solve for x
    x = 11,008,046.42/3,392.98
  6. Step 6: Final answer
    x = 3,244.36

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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.