Home / 3,418.08-5,129.07-1,443.57

Finding the Fourth Proportional to 3,418.08, 5,129.07 and 1,443.57

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Solution

The fourth proportional to 3,418.08, 5,129.07 and 1,443.57 is: 2,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.08 : 5,129.07 = 1,443.57 : x
  2. Step 2: Convert to fraction form
    3,418.08/5,129.07 = 1,443.57/x
  3. Step 3: Cross multiply
    3,418.08x = 5,129.07 × 1,443.57
  4. Step 4: Simplify right side
    3,418.08x = 7,404,171.58
  5. Step 5: Solve for x
    x = 7,404,171.58/3,418.08
  6. Step 6: Final answer
    x = 2,166.18

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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.