Home / 3,450.66-5,172.14-1,370.11

Finding the Fourth Proportional to 3,450.66, 5,172.14 and 1,370.11

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Solution

The fourth proportional to 3,450.66, 5,172.14 and 1,370.11 is: 2,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.66 : 5,172.14 = 1,370.11 : x
  2. Step 2: Convert to fraction form
    3,450.66/5,172.14 = 1,370.11/x
  3. Step 3: Cross multiply
    3,450.66x = 5,172.14 × 1,370.11
  4. Step 4: Simplify right side
    3,450.66x = 7,086,400.74
  5. Step 5: Solve for x
    x = 7,086,400.74/3,450.66
  6. Step 6: Final answer
    x = 2,053.64

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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.