Home / 1,629.27-2,247.57-1,163.79

Finding the Fourth Proportional to 1,629.27, 2,247.57 and 1,163.79

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Solution

The fourth proportional to 1,629.27, 2,247.57 and 1,163.79 is: 1,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.27 : 2,247.57 = 1,163.79 : x
  2. Step 2: Convert to fraction form
    1,629.27/2,247.57 = 1,163.79/x
  3. Step 3: Cross multiply
    1,629.27x = 2,247.57 × 1,163.79
  4. Step 4: Simplify right side
    1,629.27x = 2,615,699.49
  5. Step 5: Solve for x
    x = 2,615,699.49/1,629.27
  6. Step 6: Final answer
    x = 1,605.44

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1.5x scale

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.