Home / 3,194.64-4,787.52-1,806

Finding the Fourth Proportional to 3,194.64, 4,787.52 and 1,806

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Solution

The fourth proportional to 3,194.64, 4,787.52 and 1,806 is: 2,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.64 : 4,787.52 = 1,806 : x
  2. Step 2: Convert to fraction form
    3,194.64/4,787.52 = 1,806/x
  3. Step 3: Cross multiply
    3,194.64x = 4,787.52 × 1,806
  4. Step 4: Simplify right side
    3,194.64x = 8,646,261.12
  5. Step 5: Solve for x
    x = 8,646,261.12/3,194.64
  6. Step 6: Final answer
    x = 2,706.49

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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.