Home / 2,192.00-3,272.37-2,115.11

Finding the Fourth Proportional to 2,192.00, 3,272.37 and 2,115.11

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Solution

The fourth proportional to 2,192.00, 3,272.37 and 2,115.11 is: 3,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.00 : 3,272.37 = 2,115.11 : x
  2. Step 2: Convert to fraction form
    2,192.00/3,272.37 = 2,115.11/x
  3. Step 3: Cross multiply
    2,192.00x = 3,272.37 × 2,115.11
  4. Step 4: Simplify right side
    2,192.00x = 6,921,395.57
  5. Step 5: Solve for x
    x = 6,921,395.57/2,192.00
  6. Step 6: Final answer
    x = 3,157.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.