Home / 3,983.60-5,975.60-1,517.96

Finding the Fourth Proportional to 3,983.60, 5,975.60 and 1,517.96

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Solution

The fourth proportional to 3,983.60, 5,975.60 and 1,517.96 is: 2,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.60 : 5,975.60 = 1,517.96 : x
  2. Step 2: Convert to fraction form
    3,983.60/5,975.60 = 1,517.96/x
  3. Step 3: Cross multiply
    3,983.60x = 5,975.60 × 1,517.96
  4. Step 4: Simplify right side
    3,983.60x = 9,070,684.31
  5. Step 5: Solve for x
    x = 9,070,684.31/3,983.60
  6. Step 6: Final answer
    x = 2,277.01

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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.