Home / 3,418.46-5,128.94-1,444.58

Finding the Fourth Proportional to 3,418.46, 5,128.94 and 1,444.58

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Solution

The fourth proportional to 3,418.46, 5,128.94 and 1,444.58 is: 2,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.46 : 5,128.94 = 1,444.58 : x
  2. Step 2: Convert to fraction form
    3,418.46/5,128.94 = 1,444.58/x
  3. Step 3: Cross multiply
    3,418.46x = 5,128.94 × 1,444.58
  4. Step 4: Simplify right side
    3,418.46x = 7,409,164.15
  5. Step 5: Solve for x
    x = 7,409,164.15/3,418.46
  6. Step 6: Final answer
    x = 2,167.40

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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.