Home / 3,461.68-5,192.54-1,382.21

Finding the Fourth Proportional to 3,461.68, 5,192.54 and 1,382.21

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Solution

The fourth proportional to 3,461.68, 5,192.54 and 1,382.21 is: 2,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.68 : 5,192.54 = 1,382.21 : x
  2. Step 2: Convert to fraction form
    3,461.68/5,192.54 = 1,382.21/x
  3. Step 3: Cross multiply
    3,461.68x = 5,192.54 × 1,382.21
  4. Step 4: Simplify right side
    3,461.68x = 7,177,147.84
  5. Step 5: Solve for x
    x = 7,177,147.84/3,461.68
  6. Step 6: Final answer
    x = 2,073.32

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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.