Home / 3,450.20-5,172.39-1,500.95

Finding the Fourth Proportional to 3,450.20, 5,172.39 and 1,500.95

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Solution

The fourth proportional to 3,450.20, 5,172.39 and 1,500.95 is: 2,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.20 : 5,172.39 = 1,500.95 : x
  2. Step 2: Convert to fraction form
    3,450.20/5,172.39 = 1,500.95/x
  3. Step 3: Cross multiply
    3,450.20x = 5,172.39 × 1,500.95
  4. Step 4: Simplify right side
    3,450.20x = 7,763,498.77
  5. Step 5: Solve for x
    x = 7,763,498.77/3,450.20
  6. Step 6: Final answer
    x = 2,250.16

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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.