Home / 3,096.36-4,273.56-1,821.15

Finding the Fourth Proportional to 3,096.36, 4,273.56 and 1,821.15

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Solution

The fourth proportional to 3,096.36, 4,273.56 and 1,821.15 is: 2,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.36 : 4,273.56 = 1,821.15 : x
  2. Step 2: Convert to fraction form
    3,096.36/4,273.56 = 1,821.15/x
  3. Step 3: Cross multiply
    3,096.36x = 4,273.56 × 1,821.15
  4. Step 4: Simplify right side
    3,096.36x = 7,782,793.79
  5. Step 5: Solve for x
    x = 7,782,793.79/3,096.36
  6. Step 6: Final answer
    x = 2,513.53

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1.5x scale

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.