Home / 4,178.45-5,766.11-2,289.98

Finding the Fourth Proportional to 4,178.45, 5,766.11 and 2,289.98

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Solution

The fourth proportional to 4,178.45, 5,766.11 and 2,289.98 is: 3,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.45 : 5,766.11 = 2,289.98 : x
  2. Step 2: Convert to fraction form
    4,178.45/5,766.11 = 2,289.98/x
  3. Step 3: Cross multiply
    4,178.45x = 5,766.11 × 2,289.98
  4. Step 4: Simplify right side
    4,178.45x = 13,204,276.58
  5. Step 5: Solve for x
    x = 13,204,276.58/4,178.45
  6. Step 6: Final answer
    x = 3,160.09

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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.