Home / 3,812.23-5,718.73-1,179.62

Finding the Fourth Proportional to 3,812.23, 5,718.73 and 1,179.62

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Solution

The fourth proportional to 3,812.23, 5,718.73 and 1,179.62 is: 1,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.23 : 5,718.73 = 1,179.62 : x
  2. Step 2: Convert to fraction form
    3,812.23/5,718.73 = 1,179.62/x
  3. Step 3: Cross multiply
    3,812.23x = 5,718.73 × 1,179.62
  4. Step 4: Simplify right side
    3,812.23x = 6,745,928.28
  5. Step 5: Solve for x
    x = 6,745,928.28/3,812.23
  6. Step 6: Final answer
    x = 1,769.55

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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.