Home / 2,170.24-3,252.32-1,680.96

Finding the Fourth Proportional to 2,170.24, 3,252.32 and 1,680.96

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Solution

The fourth proportional to 2,170.24, 3,252.32 and 1,680.96 is: 2,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.24 : 3,252.32 = 1,680.96 : x
  2. Step 2: Convert to fraction form
    2,170.24/3,252.32 = 1,680.96/x
  3. Step 3: Cross multiply
    2,170.24x = 3,252.32 × 1,680.96
  4. Step 4: Simplify right side
    2,170.24x = 5,467,019.83
  5. Step 5: Solve for x
    x = 5,467,019.83/2,170.24
  6. Step 6: Final answer
    x = 2,519.09

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1.5x scale

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.