Home / 2,021.31-3,037.92-1,966.77

Finding the Fourth Proportional to 2,021.31, 3,037.92 and 1,966.77

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Solution

The fourth proportional to 2,021.31, 3,037.92 and 1,966.77 is: 2,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.31 : 3,037.92 = 1,966.77 : x
  2. Step 2: Convert to fraction form
    2,021.31/3,037.92 = 1,966.77/x
  3. Step 3: Cross multiply
    2,021.31x = 3,037.92 × 1,966.77
  4. Step 4: Simplify right side
    2,021.31x = 5,974,889.92
  5. Step 5: Solve for x
    x = 5,974,889.92/2,021.31
  6. Step 6: Final answer
    x = 2,955.95

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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.