Home / 3,848.28-5,767.89-2,205.60

Finding the Fourth Proportional to 3,848.28, 5,767.89 and 2,205.60

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Solution

The fourth proportional to 3,848.28, 5,767.89 and 2,205.60 is: 3,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.28 : 5,767.89 = 2,205.60 : x
  2. Step 2: Convert to fraction form
    3,848.28/5,767.89 = 2,205.60/x
  3. Step 3: Cross multiply
    3,848.28x = 5,767.89 × 2,205.60
  4. Step 4: Simplify right side
    3,848.28x = 12,721,658.18
  5. Step 5: Solve for x
    x = 12,721,658.18/3,848.28
  6. Step 6: Final answer
    x = 3,305.80

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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.