Home / 3,786.05-5,225.51-2,192.96

Finding the Fourth Proportional to 3,786.05, 5,225.51 and 2,192.96

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Solution

The fourth proportional to 3,786.05, 5,225.51 and 2,192.96 is: 3,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.05 : 5,225.51 = 2,192.96 : x
  2. Step 2: Convert to fraction form
    3,786.05/5,225.51 = 2,192.96/x
  3. Step 3: Cross multiply
    3,786.05x = 5,225.51 × 2,192.96
  4. Step 4: Simplify right side
    3,786.05x = 11,459,336.51
  5. Step 5: Solve for x
    x = 11,459,336.51/3,786.05
  6. Step 6: Final answer
    x = 3,026.72

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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.