Home / 3,841.58-5,757.56-1,647.74

Finding the Fourth Proportional to 3,841.58, 5,757.56 and 1,647.74

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Solution

The fourth proportional to 3,841.58, 5,757.56 and 1,647.74 is: 2,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.58 : 5,757.56 = 1,647.74 : x
  2. Step 2: Convert to fraction form
    3,841.58/5,757.56 = 1,647.74/x
  3. Step 3: Cross multiply
    3,841.58x = 5,757.56 × 1,647.74
  4. Step 4: Simplify right side
    3,841.58x = 9,486,961.91
  5. Step 5: Solve for x
    x = 9,486,961.91/3,841.58
  6. Step 6: Final answer
    x = 2,469.55

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1.5x scale

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.