Home / 1,265.24-1,896.85-849.21

Finding the Fourth Proportional to 1,265.24, 1,896.85 and 849.21

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Solution

The fourth proportional to 1,265.24, 1,896.85 and 849.21 is: 1,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.24 : 1,896.85 = 849.21 : x
  2. Step 2: Convert to fraction form
    1,265.24/1,896.85 = 849.21/x
  3. Step 3: Cross multiply
    1,265.24x = 1,896.85 × 849.21
  4. Step 4: Simplify right side
    1,265.24x = 1,610,823.99
  5. Step 5: Solve for x
    x = 1,610,823.99/1,265.24
  6. Step 6: Final answer
    x = 1,273.14

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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.