Home / 3,096.30-4,645.17-905.07

Finding the Fourth Proportional to 3,096.30, 4,645.17 and 905.07

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Solution

The fourth proportional to 3,096.30, 4,645.17 and 905.07 is: 1,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.30 : 4,645.17 = 905.07 : x
  2. Step 2: Convert to fraction form
    3,096.30/4,645.17 = 905.07/x
  3. Step 3: Cross multiply
    3,096.30x = 4,645.17 × 905.07
  4. Step 4: Simplify right side
    3,096.30x = 4,204,204.01
  5. Step 5: Solve for x
    x = 4,204,204.01/3,096.30
  6. Step 6: Final answer
    x = 1,357.82

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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.