Home / 1,960.92-2,938.56-1,901.76

Finding the Fourth Proportional to 1,960.92, 2,938.56 and 1,901.76

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Solution

The fourth proportional to 1,960.92, 2,938.56 and 1,901.76 is: 2,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.92 : 2,938.56 = 1,901.76 : x
  2. Step 2: Convert to fraction form
    1,960.92/2,938.56 = 1,901.76/x
  3. Step 3: Cross multiply
    1,960.92x = 2,938.56 × 1,901.76
  4. Step 4: Simplify right side
    1,960.92x = 5,588,435.87
  5. Step 5: Solve for x
    x = 5,588,435.87/1,960.92
  6. Step 6: Final answer
    x = 2,849.91

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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.