Home / 1,863.16-2,795.84-1,084.68

Finding the Fourth Proportional to 1,863.16, 2,795.84 and 1,084.68

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Solution

The fourth proportional to 1,863.16, 2,795.84 and 1,084.68 is: 1,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.16 : 2,795.84 = 1,084.68 : x
  2. Step 2: Convert to fraction form
    1,863.16/2,795.84 = 1,084.68/x
  3. Step 3: Cross multiply
    1,863.16x = 2,795.84 × 1,084.68
  4. Step 4: Simplify right side
    1,863.16x = 3,032,591.73
  5. Step 5: Solve for x
    x = 3,032,591.73/1,863.16
  6. Step 6: Final answer
    x = 1,627.66

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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.