Home / 2,189.65-3,021.66-1,194.94

Finding the Fourth Proportional to 2,189.65, 3,021.66 and 1,194.94

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Solution

The fourth proportional to 2,189.65, 3,021.66 and 1,194.94 is: 1,648.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.65 : 3,021.66 = 1,194.94 : x
  2. Step 2: Convert to fraction form
    2,189.65/3,021.66 = 1,194.94/x
  3. Step 3: Cross multiply
    2,189.65x = 3,021.66 × 1,194.94
  4. Step 4: Simplify right side
    2,189.65x = 3,610,702.40
  5. Step 5: Solve for x
    x = 3,610,702.40/2,189.65
  6. Step 6: Final answer
    x = 1,648.99

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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.