Home / 2,192.72-3,027.92-2,039.63

Finding the Fourth Proportional to 2,192.72, 3,027.92 and 2,039.63

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Solution

The fourth proportional to 2,192.72, 3,027.92 and 2,039.63 is: 2,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.72 : 3,027.92 = 2,039.63 : x
  2. Step 2: Convert to fraction form
    2,192.72/3,027.92 = 2,039.63/x
  3. Step 3: Cross multiply
    2,192.72x = 3,027.92 × 2,039.63
  4. Step 4: Simplify right side
    2,192.72x = 6,175,811.13
  5. Step 5: Solve for x
    x = 6,175,811.13/2,192.72
  6. Step 6: Final answer
    x = 2,816.51

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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.