Home / 2,179.13-3,263.44-1,251.87

Finding the Fourth Proportional to 2,179.13, 3,263.44 and 1,251.87

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Solution

The fourth proportional to 2,179.13, 3,263.44 and 1,251.87 is: 1,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.13 : 3,263.44 = 1,251.87 : x
  2. Step 2: Convert to fraction form
    2,179.13/3,263.44 = 1,251.87/x
  3. Step 3: Cross multiply
    2,179.13x = 3,263.44 × 1,251.87
  4. Step 4: Simplify right side
    2,179.13x = 4,085,402.63
  5. Step 5: Solve for x
    x = 4,085,402.63/2,179.13
  6. Step 6: Final answer
    x = 1,874.79

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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.