Home / 2,192.42-3,281.34-1,367.84

Finding the Fourth Proportional to 2,192.42, 3,281.34 and 1,367.84

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Solution

The fourth proportional to 2,192.42, 3,281.34 and 1,367.84 is: 2,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.42 : 3,281.34 = 1,367.84 : x
  2. Step 2: Convert to fraction form
    2,192.42/3,281.34 = 1,367.84/x
  3. Step 3: Cross multiply
    2,192.42x = 3,281.34 × 1,367.84
  4. Step 4: Simplify right side
    2,192.42x = 4,488,348.11
  5. Step 5: Solve for x
    x = 4,488,348.11/2,192.42
  6. Step 6: Final answer
    x = 2,047.21

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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.