Home / 2,194.40-3,292.06-961.58

Finding the Fourth Proportional to 2,194.40, 3,292.06 and 961.58

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Solution

The fourth proportional to 2,194.40, 3,292.06 and 961.58 is: 1,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.40 : 3,292.06 = 961.58 : x
  2. Step 2: Convert to fraction form
    2,194.40/3,292.06 = 961.58/x
  3. Step 3: Cross multiply
    2,194.40x = 3,292.06 × 961.58
  4. Step 4: Simplify right side
    2,194.40x = 3,165,579.05
  5. Step 5: Solve for x
    x = 3,165,579.05/2,194.40
  6. Step 6: Final answer
    x = 1,442.57

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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.