Home / 3,871.73-5,807.98-2,225.09

Finding the Fourth Proportional to 3,871.73, 5,807.98 and 2,225.09

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Solution

The fourth proportional to 3,871.73, 5,807.98 and 2,225.09 is: 3,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.73 : 5,807.98 = 2,225.09 : x
  2. Step 2: Convert to fraction form
    3,871.73/5,807.98 = 2,225.09/x
  3. Step 3: Cross multiply
    3,871.73x = 5,807.98 × 2,225.09
  4. Step 4: Simplify right side
    3,871.73x = 12,923,267.09
  5. Step 5: Solve for x
    x = 12,923,267.09/3,871.73
  6. Step 6: Final answer
    x = 3,337.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.