Home / 3,871.24-5,341.87-2,192.61

Finding the Fourth Proportional to 3,871.24, 5,341.87 and 2,192.61

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Solution

The fourth proportional to 3,871.24, 5,341.87 and 2,192.61 is: 3,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.24 : 5,341.87 = 2,192.61 : x
  2. Step 2: Convert to fraction form
    3,871.24/5,341.87 = 2,192.61/x
  3. Step 3: Cross multiply
    3,871.24x = 5,341.87 × 2,192.61
  4. Step 4: Simplify right side
    3,871.24x = 11,712,632.10
  5. Step 5: Solve for x
    x = 11,712,632.10/3,871.24
  6. Step 6: Final answer
    x = 3,025.55

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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.