Home / 2,684.34-4,025.70-1,385.64

Finding the Fourth Proportional to 2,684.34, 4,025.70 and 1,385.64

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Solution

The fourth proportional to 2,684.34, 4,025.70 and 1,385.64 is: 2,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.34 : 4,025.70 = 1,385.64 : x
  2. Step 2: Convert to fraction form
    2,684.34/4,025.70 = 1,385.64/x
  3. Step 3: Cross multiply
    2,684.34x = 4,025.70 × 1,385.64
  4. Step 4: Simplify right side
    2,684.34x = 5,578,170.95
  5. Step 5: Solve for x
    x = 5,578,170.95/2,684.34
  6. Step 6: Final answer
    x = 2,078.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.