Home / 2,974.26-4,458.14-1,328.46

Finding the Fourth Proportional to 2,974.26, 4,458.14 and 1,328.46

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Solution

The fourth proportional to 2,974.26, 4,458.14 and 1,328.46 is: 1,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.26 : 4,458.14 = 1,328.46 : x
  2. Step 2: Convert to fraction form
    2,974.26/4,458.14 = 1,328.46/x
  3. Step 3: Cross multiply
    2,974.26x = 4,458.14 × 1,328.46
  4. Step 4: Simplify right side
    2,974.26x = 5,922,460.66
  5. Step 5: Solve for x
    x = 5,922,460.66/2,974.26
  6. Step 6: Final answer
    x = 1,991.24

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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.