Home / 2,192.20-3,026.34-1,447.24

Finding the Fourth Proportional to 2,192.20, 3,026.34 and 1,447.24

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Solution

The fourth proportional to 2,192.20, 3,026.34 and 1,447.24 is: 1,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.20 : 3,026.34 = 1,447.24 : x
  2. Step 2: Convert to fraction form
    2,192.20/3,026.34 = 1,447.24/x
  3. Step 3: Cross multiply
    2,192.20x = 3,026.34 × 1,447.24
  4. Step 4: Simplify right side
    2,192.20x = 4,379,840.30
  5. Step 5: Solve for x
    x = 4,379,840.30/2,192.20
  6. Step 6: Final answer
    x = 1,997.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.