Home / 1,629.26-2,248.36-883.20

Finding the Fourth Proportional to 1,629.26, 2,248.36 and 883.20

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Solution

The fourth proportional to 1,629.26, 2,248.36 and 883.20 is: 1,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.26 : 2,248.36 = 883.20 : x
  2. Step 2: Convert to fraction form
    1,629.26/2,248.36 = 883.20/x
  3. Step 3: Cross multiply
    1,629.26x = 2,248.36 × 883.20
  4. Step 4: Simplify right side
    1,629.26x = 1,985,744.22
  5. Step 5: Solve for x
    x = 1,985,744.22/1,629.26
  6. Step 6: Final answer
    x = 1,218.81

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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.