Home / 2,261.30-3,387.26-1,205.96

Finding the Fourth Proportional to 2,261.30, 3,387.26 and 1,205.96

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Solution

The fourth proportional to 2,261.30, 3,387.26 and 1,205.96 is: 1,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.30 : 3,387.26 = 1,205.96 : x
  2. Step 2: Convert to fraction form
    2,261.30/3,387.26 = 1,205.96/x
  3. Step 3: Cross multiply
    2,261.30x = 3,387.26 × 1,205.96
  4. Step 4: Simplify right side
    2,261.30x = 4,084,886.15
  5. Step 5: Solve for x
    x = 4,084,886.15/2,261.30
  6. Step 6: Final answer
    x = 1,806.44

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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.