Home / 2,132.68-3,195.76-1,436.80

Finding the Fourth Proportional to 2,132.68, 3,195.76 and 1,436.80

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Solution

The fourth proportional to 2,132.68, 3,195.76 and 1,436.80 is: 2,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.68 : 3,195.76 = 1,436.80 : x
  2. Step 2: Convert to fraction form
    2,132.68/3,195.76 = 1,436.80/x
  3. Step 3: Cross multiply
    2,132.68x = 3,195.76 × 1,436.80
  4. Step 4: Simplify right side
    2,132.68x = 4,591,667.97
  5. Step 5: Solve for x
    x = 4,591,667.97/2,132.68
  6. Step 6: Final answer
    x = 2,153.00

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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.