Home / 2,261.59-3,387.12-2,199.31

Finding the Fourth Proportional to 2,261.59, 3,387.12 and 2,199.31

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Solution

The fourth proportional to 2,261.59, 3,387.12 and 2,199.31 is: 3,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.59 : 3,387.12 = 2,199.31 : x
  2. Step 2: Convert to fraction form
    2,261.59/3,387.12 = 2,199.31/x
  3. Step 3: Cross multiply
    2,261.59x = 3,387.12 × 2,199.31
  4. Step 4: Simplify right side
    2,261.59x = 7,449,310.17
  5. Step 5: Solve for x
    x = 7,449,310.17/2,261.59
  6. Step 6: Final answer
    x = 3,293.84

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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.