Home / 3,952.78-5,454.94-2,184.50

Finding the Fourth Proportional to 3,952.78, 5,454.94 and 2,184.50

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Solution

The fourth proportional to 3,952.78, 5,454.94 and 2,184.50 is: 3,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.78 : 5,454.94 = 2,184.50 : x
  2. Step 2: Convert to fraction form
    3,952.78/5,454.94 = 2,184.50/x
  3. Step 3: Cross multiply
    3,952.78x = 5,454.94 × 2,184.50
  4. Step 4: Simplify right side
    3,952.78x = 11,916,308.25
  5. Step 5: Solve for x
    x = 11,916,308.25/3,952.78
  6. Step 6: Final answer
    x = 3,014.67

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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.