Home / 2,824.32-4,236.70-849.80

Finding the Fourth Proportional to 2,824.32, 4,236.70 and 849.80

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Solution

The fourth proportional to 2,824.32, 4,236.70 and 849.80 is: 1,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.32 : 4,236.70 = 849.80 : x
  2. Step 2: Convert to fraction form
    2,824.32/4,236.70 = 849.80/x
  3. Step 3: Cross multiply
    2,824.32x = 4,236.70 × 849.80
  4. Step 4: Simplify right side
    2,824.32x = 3,600,347.66
  5. Step 5: Solve for x
    x = 3,600,347.66/2,824.32
  6. Step 6: Final answer
    x = 1,274.77

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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.