Home / 3,189.74-4,784.56-1,546.43

Finding the Fourth Proportional to 3,189.74, 4,784.56 and 1,546.43

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Solution

The fourth proportional to 3,189.74, 4,784.56 and 1,546.43 is: 2,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.74 : 4,784.56 = 1,546.43 : x
  2. Step 2: Convert to fraction form
    3,189.74/4,784.56 = 1,546.43/x
  3. Step 3: Cross multiply
    3,189.74x = 4,784.56 × 1,546.43
  4. Step 4: Simplify right side
    3,189.74x = 7,398,987.12
  5. Step 5: Solve for x
    x = 7,398,987.12/3,189.74
  6. Step 6: Final answer
    x = 2,319.62

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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.