Home / 1,301.54-1,942.31-1,163.13

Finding the Fourth Proportional to 1,301.54, 1,942.31 and 1,163.13

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Solution

The fourth proportional to 1,301.54, 1,942.31 and 1,163.13 is: 1,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.54 : 1,942.31 = 1,163.13 : x
  2. Step 2: Convert to fraction form
    1,301.54/1,942.31 = 1,163.13/x
  3. Step 3: Cross multiply
    1,301.54x = 1,942.31 × 1,163.13
  4. Step 4: Simplify right side
    1,301.54x = 2,259,153.21
  5. Step 5: Solve for x
    x = 2,259,153.21/1,301.54
  6. Step 6: Final answer
    x = 1,735.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.