Home / 2,169.30-3,248.40-1,194.33

Finding the Fourth Proportional to 2,169.30, 3,248.40 and 1,194.33

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Solution

The fourth proportional to 2,169.30, 3,248.40 and 1,194.33 is: 1,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.30 : 3,248.40 = 1,194.33 : x
  2. Step 2: Convert to fraction form
    2,169.30/3,248.40 = 1,194.33/x
  3. Step 3: Cross multiply
    2,169.30x = 3,248.40 × 1,194.33
  4. Step 4: Simplify right side
    2,169.30x = 3,879,661.57
  5. Step 5: Solve for x
    x = 3,879,661.57/2,169.30
  6. Step 6: Final answer
    x = 1,788.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.