Home / 3,682.96-5,081.70-2,192.20

Finding the Fourth Proportional to 3,682.96, 5,081.70 and 2,192.20

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Solution

The fourth proportional to 3,682.96, 5,081.70 and 2,192.20 is: 3,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.96 : 5,081.70 = 2,192.20 : x
  2. Step 2: Convert to fraction form
    3,682.96/5,081.70 = 2,192.20/x
  3. Step 3: Cross multiply
    3,682.96x = 5,081.70 × 2,192.20
  4. Step 4: Simplify right side
    3,682.96x = 11,140,102.74
  5. Step 5: Solve for x
    x = 11,140,102.74/3,682.96
  6. Step 6: Final answer
    x = 3,024.77

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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.