Home / 1,629.27-2,248.37-883.22

Finding the Fourth Proportional to 1,629.27, 2,248.37 and 883.22

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Solution

The fourth proportional to 1,629.27, 2,248.37 and 883.22 is: 1,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.27 : 2,248.37 = 883.22 : x
  2. Step 2: Convert to fraction form
    1,629.27/2,248.37 = 883.22/x
  3. Step 3: Cross multiply
    1,629.27x = 2,248.37 × 883.22
  4. Step 4: Simplify right side
    1,629.27x = 1,985,806.56
  5. Step 5: Solve for x
    x = 1,985,806.56/1,629.27
  6. Step 6: Final answer
    x = 1,218.83

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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.