Home / 2,835.90-4,241.70-2,179.80

Finding the Fourth Proportional to 2,835.90, 4,241.70 and 2,179.80

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Solution

The fourth proportional to 2,835.90, 4,241.70 and 2,179.80 is: 3,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.90 : 4,241.70 = 2,179.80 : x
  2. Step 2: Convert to fraction form
    2,835.90/4,241.70 = 2,179.80/x
  3. Step 3: Cross multiply
    2,835.90x = 4,241.70 × 2,179.80
  4. Step 4: Simplify right side
    2,835.90x = 9,246,057.66
  5. Step 5: Solve for x
    x = 9,246,057.66/2,835.90
  6. Step 6: Final answer
    x = 3,260.36

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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.