Home / 3,195.66-4,791.15-2,153.06

Finding the Fourth Proportional to 3,195.66, 4,791.15 and 2,153.06

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Solution

The fourth proportional to 3,195.66, 4,791.15 and 2,153.06 is: 3,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.66 : 4,791.15 = 2,153.06 : x
  2. Step 2: Convert to fraction form
    3,195.66/4,791.15 = 2,153.06/x
  3. Step 3: Cross multiply
    3,195.66x = 4,791.15 × 2,153.06
  4. Step 4: Simplify right side
    3,195.66x = 10,315,609.46
  5. Step 5: Solve for x
    x = 10,315,609.46/3,195.66
  6. Step 6: Final answer
    x = 3,228.01

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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.