Home / 2,743.12-3,787.14-1,696.60

Finding the Fourth Proportional to 2,743.12, 3,787.14 and 1,696.60

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Solution

The fourth proportional to 2,743.12, 3,787.14 and 1,696.60 is: 2,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.12 : 3,787.14 = 1,696.60 : x
  2. Step 2: Convert to fraction form
    2,743.12/3,787.14 = 1,696.60/x
  3. Step 3: Cross multiply
    2,743.12x = 3,787.14 × 1,696.60
  4. Step 4: Simplify right side
    2,743.12x = 6,425,261.72
  5. Step 5: Solve for x
    x = 6,425,261.72/2,743.12
  6. Step 6: Final answer
    x = 2,342.32

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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.