Home / 2,180.81-3,270.19-793.17

Finding the Fourth Proportional to 2,180.81, 3,270.19 and 793.17

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Solution

The fourth proportional to 2,180.81, 3,270.19 and 793.17 is: 1,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.81 : 3,270.19 = 793.17 : x
  2. Step 2: Convert to fraction form
    2,180.81/3,270.19 = 793.17/x
  3. Step 3: Cross multiply
    2,180.81x = 3,270.19 × 793.17
  4. Step 4: Simplify right side
    2,180.81x = 2,593,816.60
  5. Step 5: Solve for x
    x = 2,593,816.60/2,180.81
  6. Step 6: Final answer
    x = 1,189.38

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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.