Home / 1,940.16-2,912.76-1,932.96

Finding the Fourth Proportional to 1,940.16, 2,912.76 and 1,932.96

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Solution

The fourth proportional to 1,940.16, 2,912.76 and 1,932.96 is: 2,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.16 : 2,912.76 = 1,932.96 : x
  2. Step 2: Convert to fraction form
    1,940.16/2,912.76 = 1,932.96/x
  3. Step 3: Cross multiply
    1,940.16x = 2,912.76 × 1,932.96
  4. Step 4: Simplify right side
    1,940.16x = 5,630,248.57
  5. Step 5: Solve for x
    x = 5,630,248.57/1,940.16
  6. Step 6: Final answer
    x = 2,901.95

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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.