Home / 3,449.32-5,172.70-1,474.72

Finding the Fourth Proportional to 3,449.32, 5,172.70 and 1,474.72

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Solution

The fourth proportional to 3,449.32, 5,172.70 and 1,474.72 is: 2,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.32 : 5,172.70 = 1,474.72 : x
  2. Step 2: Convert to fraction form
    3,449.32/5,172.70 = 1,474.72/x
  3. Step 3: Cross multiply
    3,449.32x = 5,172.70 × 1,474.72
  4. Step 4: Simplify right side
    3,449.32x = 7,628,284.14
  5. Step 5: Solve for x
    x = 7,628,284.14/3,449.32
  6. Step 6: Final answer
    x = 2,211.53

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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.