Home / 2,107.92-3,159.36-1,134.48

Finding the Fourth Proportional to 2,107.92, 3,159.36 and 1,134.48

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Solution

The fourth proportional to 2,107.92, 3,159.36 and 1,134.48 is: 1,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.92 : 3,159.36 = 1,134.48 : x
  2. Step 2: Convert to fraction form
    2,107.92/3,159.36 = 1,134.48/x
  3. Step 3: Cross multiply
    2,107.92x = 3,159.36 × 1,134.48
  4. Step 4: Simplify right side
    2,107.92x = 3,584,230.73
  5. Step 5: Solve for x
    x = 3,584,230.73/2,107.92
  6. Step 6: Final answer
    x = 1,700.36

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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.