Home / 2,960.54-4,440.70-1,992.79

Finding the Fourth Proportional to 2,960.54, 4,440.70 and 1,992.79

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Solution

The fourth proportional to 2,960.54, 4,440.70 and 1,992.79 is: 2,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.54 : 4,440.70 = 1,992.79 : x
  2. Step 2: Convert to fraction form
    2,960.54/4,440.70 = 1,992.79/x
  3. Step 3: Cross multiply
    2,960.54x = 4,440.70 × 1,992.79
  4. Step 4: Simplify right side
    2,960.54x = 8,849,382.55
  5. Step 5: Solve for x
    x = 8,849,382.55/2,960.54
  6. Step 6: Final answer
    x = 2,989.11

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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.