Home / 1,977.10-2,730.78-1,481.92

Finding the Fourth Proportional to 1,977.10, 2,730.78 and 1,481.92

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Solution

The fourth proportional to 1,977.10, 2,730.78 and 1,481.92 is: 2,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.10 : 2,730.78 = 1,481.92 : x
  2. Step 2: Convert to fraction form
    1,977.10/2,730.78 = 1,481.92/x
  3. Step 3: Cross multiply
    1,977.10x = 2,730.78 × 1,481.92
  4. Step 4: Simplify right side
    1,977.10x = 4,046,790.67
  5. Step 5: Solve for x
    x = 4,046,790.67/1,977.10
  6. Step 6: Final answer
    x = 2,046.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.