Home / 3,453.26-5,178.27-1,373.18

Finding the Fourth Proportional to 3,453.26, 5,178.27 and 1,373.18

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Solution

The fourth proportional to 3,453.26, 5,178.27 and 1,373.18 is: 2,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.26 : 5,178.27 = 1,373.18 : x
  2. Step 2: Convert to fraction form
    3,453.26/5,178.27 = 1,373.18/x
  3. Step 3: Cross multiply
    3,453.26x = 5,178.27 × 1,373.18
  4. Step 4: Simplify right side
    3,453.26x = 7,110,696.80
  5. Step 5: Solve for x
    x = 7,110,696.80/3,453.26
  6. Step 6: Final answer
    x = 2,059.13

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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.