Home / 2,195.20-3,293.20-734.46

Finding the Fourth Proportional to 2,195.20, 3,293.20 and 734.46

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Solution

The fourth proportional to 2,195.20, 3,293.20 and 734.46 is: 1,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.20 : 3,293.20 = 734.46 : x
  2. Step 2: Convert to fraction form
    2,195.20/3,293.20 = 734.46/x
  3. Step 3: Cross multiply
    2,195.20x = 3,293.20 × 734.46
  4. Step 4: Simplify right side
    2,195.20x = 2,418,723.67
  5. Step 5: Solve for x
    x = 2,418,723.67/2,195.20
  6. Step 6: Final answer
    x = 1,101.82

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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.