Home / 2,170.87-3,252.39-1,826.35

Finding the Fourth Proportional to 2,170.87, 3,252.39 and 1,826.35

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Solution

The fourth proportional to 2,170.87, 3,252.39 and 1,826.35 is: 2,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.87 : 3,252.39 = 1,826.35 : x
  2. Step 2: Convert to fraction form
    2,170.87/3,252.39 = 1,826.35/x
  3. Step 3: Cross multiply
    2,170.87x = 3,252.39 × 1,826.35
  4. Step 4: Simplify right side
    2,170.87x = 5,940,002.48
  5. Step 5: Solve for x
    x = 5,940,002.48/2,170.87
  6. Step 6: Final answer
    x = 2,736.23

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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.