Home / 1,629.15-2,248.49-1,212.27

Finding the Fourth Proportional to 1,629.15, 2,248.49 and 1,212.27

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Solution

The fourth proportional to 1,629.15, 2,248.49 and 1,212.27 is: 1,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.15 : 2,248.49 = 1,212.27 : x
  2. Step 2: Convert to fraction form
    1,629.15/2,248.49 = 1,212.27/x
  3. Step 3: Cross multiply
    1,629.15x = 2,248.49 × 1,212.27
  4. Step 4: Simplify right side
    1,629.15x = 2,725,770.91
  5. Step 5: Solve for x
    x = 2,725,770.91/1,629.15
  6. Step 6: Final answer
    x = 1,673.12

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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.