Home / 3,871.44-5,342.49-2,192.83

Finding the Fourth Proportional to 3,871.44, 5,342.49 and 2,192.83

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Solution

The fourth proportional to 3,871.44, 5,342.49 and 2,192.83 is: 3,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.44 : 5,342.49 = 2,192.83 : x
  2. Step 2: Convert to fraction form
    3,871.44/5,342.49 = 2,192.83/x
  3. Step 3: Cross multiply
    3,871.44x = 5,342.49 × 2,192.83
  4. Step 4: Simplify right side
    3,871.44x = 11,715,158.99
  5. Step 5: Solve for x
    x = 11,715,158.99/3,871.44
  6. Step 6: Final answer
    x = 3,026.05

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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.