Home / 2,130.20-3,196.06-832.60

Finding the Fourth Proportional to 2,130.20, 3,196.06 and 832.60

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Solution

The fourth proportional to 2,130.20, 3,196.06 and 832.60 is: 1,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.20 : 3,196.06 = 832.60 : x
  2. Step 2: Convert to fraction form
    2,130.20/3,196.06 = 832.60/x
  3. Step 3: Cross multiply
    2,130.20x = 3,196.06 × 832.60
  4. Step 4: Simplify right side
    2,130.20x = 2,661,039.56
  5. Step 5: Solve for x
    x = 2,661,039.56/2,130.20
  6. Step 6: Final answer
    x = 1,249.20

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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.