Home / 2,179.96-3,270.14-1,253.72

Finding the Fourth Proportional to 2,179.96, 3,270.14 and 1,253.72

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Solution

The fourth proportional to 2,179.96, 3,270.14 and 1,253.72 is: 1,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.96 : 3,270.14 = 1,253.72 : x
  2. Step 2: Convert to fraction form
    2,179.96/3,270.14 = 1,253.72/x
  3. Step 3: Cross multiply
    2,179.96x = 3,270.14 × 1,253.72
  4. Step 4: Simplify right side
    2,179.96x = 4,099,851.23
  5. Step 5: Solve for x
    x = 4,099,851.23/2,179.96
  6. Step 6: Final answer
    x = 1,880.70

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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.