Home / 3,636.66-5,454.57-1,787.85

Finding the Fourth Proportional to 3,636.66, 5,454.57 and 1,787.85

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Solution

The fourth proportional to 3,636.66, 5,454.57 and 1,787.85 is: 2,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.66 : 5,454.57 = 1,787.85 : x
  2. Step 2: Convert to fraction form
    3,636.66/5,454.57 = 1,787.85/x
  3. Step 3: Cross multiply
    3,636.66x = 5,454.57 × 1,787.85
  4. Step 4: Simplify right side
    3,636.66x = 9,751,952.97
  5. Step 5: Solve for x
    x = 9,751,952.97/3,636.66
  6. Step 6: Final answer
    x = 2,681.57

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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.