Home / 2,166.24-3,252.24-2,091.36

Finding the Fourth Proportional to 2,166.24, 3,252.24 and 2,091.36

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Solution

The fourth proportional to 2,166.24, 3,252.24 and 2,091.36 is: 3,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.24 : 3,252.24 = 2,091.36 : x
  2. Step 2: Convert to fraction form
    2,166.24/3,252.24 = 2,091.36/x
  3. Step 3: Cross multiply
    2,166.24x = 3,252.24 × 2,091.36
  4. Step 4: Simplify right side
    2,166.24x = 6,801,604.65
  5. Step 5: Solve for x
    x = 6,801,604.65/2,166.24
  6. Step 6: Final answer
    x = 3,139.82

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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.