Home / 1,977.92-2,730.56-1,847.04

Finding the Fourth Proportional to 1,977.92, 2,730.56 and 1,847.04

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Solution

The fourth proportional to 1,977.92, 2,730.56 and 1,847.04 is: 2,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.92 : 2,730.56 = 1,847.04 : x
  2. Step 2: Convert to fraction form
    1,977.92/2,730.56 = 1,847.04/x
  3. Step 3: Cross multiply
    1,977.92x = 2,730.56 × 1,847.04
  4. Step 4: Simplify right side
    1,977.92x = 5,043,453.54
  5. Step 5: Solve for x
    x = 5,043,453.54/1,977.92
  6. Step 6: Final answer
    x = 2,549.88

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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.