Home / 3,447.72-5,172.36-1,805.04

Finding the Fourth Proportional to 3,447.72, 5,172.36 and 1,805.04

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Solution

The fourth proportional to 3,447.72, 5,172.36 and 1,805.04 is: 2,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.72 : 5,172.36 = 1,805.04 : x
  2. Step 2: Convert to fraction form
    3,447.72/5,172.36 = 1,805.04/x
  3. Step 3: Cross multiply
    3,447.72x = 5,172.36 × 1,805.04
  4. Step 4: Simplify right side
    3,447.72x = 9,336,316.69
  5. Step 5: Solve for x
    x = 9,336,316.69/3,447.72
  6. Step 6: Final answer
    x = 2,707.97

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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.