Home / 2,293.13-3,438.03-905.75

Finding the Fourth Proportional to 2,293.13, 3,438.03 and 905.75

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Solution

The fourth proportional to 2,293.13, 3,438.03 and 905.75 is: 1,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.13 : 3,438.03 = 905.75 : x
  2. Step 2: Convert to fraction form
    2,293.13/3,438.03 = 905.75/x
  3. Step 3: Cross multiply
    2,293.13x = 3,438.03 × 905.75
  4. Step 4: Simplify right side
    2,293.13x = 3,113,995.67
  5. Step 5: Solve for x
    x = 3,113,995.67/2,293.13
  6. Step 6: Final answer
    x = 1,357.97

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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.