Home / 3,385.90-5,076.79-2,214.48

Finding the Fourth Proportional to 3,385.90, 5,076.79 and 2,214.48

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Solution

The fourth proportional to 3,385.90, 5,076.79 and 2,214.48 is: 3,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.90 : 5,076.79 = 2,214.48 : x
  2. Step 2: Convert to fraction form
    3,385.90/5,076.79 = 2,214.48/x
  3. Step 3: Cross multiply
    3,385.90x = 5,076.79 × 2,214.48
  4. Step 4: Simplify right side
    3,385.90x = 11,242,438.85
  5. Step 5: Solve for x
    x = 11,242,438.85/3,385.90
  6. Step 6: Final answer
    x = 3,320.37

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1.5x scale

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.