Home / 4,233.70-6,351.90-1,892.80

Finding the Fourth Proportional to 4,233.70, 6,351.90 and 1,892.80

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Solution

The fourth proportional to 4,233.70, 6,351.90 and 1,892.80 is: 2,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.70 : 6,351.90 = 1,892.80 : x
  2. Step 2: Convert to fraction form
    4,233.70/6,351.90 = 1,892.80/x
  3. Step 3: Cross multiply
    4,233.70x = 6,351.90 × 1,892.80
  4. Step 4: Simplify right side
    4,233.70x = 12,022,876.32
  5. Step 5: Solve for x
    x = 12,022,876.32/4,233.70
  6. Step 6: Final answer
    x = 2,839.80

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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.