Home / 3,278.13-4,919.35-1,546.89

Finding the Fourth Proportional to 3,278.13, 4,919.35 and 1,546.89

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Solution

The fourth proportional to 3,278.13, 4,919.35 and 1,546.89 is: 2,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.13 : 4,919.35 = 1,546.89 : x
  2. Step 2: Convert to fraction form
    3,278.13/4,919.35 = 1,546.89/x
  3. Step 3: Cross multiply
    3,278.13x = 4,919.35 × 1,546.89
  4. Step 4: Simplify right side
    3,278.13x = 7,609,693.32
  5. Step 5: Solve for x
    x = 7,609,693.32/3,278.13
  6. Step 6: Final answer
    x = 2,321.35

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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.