Home / 3,209.61-4,427.62-2,092.42

Finding the Fourth Proportional to 3,209.61, 4,427.62 and 2,092.42

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Solution

The fourth proportional to 3,209.61, 4,427.62 and 2,092.42 is: 2,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.61 : 4,427.62 = 2,092.42 : x
  2. Step 2: Convert to fraction form
    3,209.61/4,427.62 = 2,092.42/x
  3. Step 3: Cross multiply
    3,209.61x = 4,427.62 × 2,092.42
  4. Step 4: Simplify right side
    3,209.61x = 9,264,440.64
  5. Step 5: Solve for x
    x = 9,264,440.64/3,209.61
  6. Step 6: Final answer
    x = 2,886.47

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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.