Home / 2,270.24-3,133.05-1,385.99

Finding the Fourth Proportional to 2,270.24, 3,133.05 and 1,385.99

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Solution

The fourth proportional to 2,270.24, 3,133.05 and 1,385.99 is: 1,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.24 : 3,133.05 = 1,385.99 : x
  2. Step 2: Convert to fraction form
    2,270.24/3,133.05 = 1,385.99/x
  3. Step 3: Cross multiply
    2,270.24x = 3,133.05 × 1,385.99
  4. Step 4: Simplify right side
    2,270.24x = 4,342,375.97
  5. Step 5: Solve for x
    x = 4,342,375.97/2,270.24
  6. Step 6: Final answer
    x = 1,912.74

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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.