Home / 3,853.58-5,311.77-2,732.18

Finding the Fourth Proportional to 3,853.58, 5,311.77 and 2,732.18

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Solution

The fourth proportional to 3,853.58, 5,311.77 and 2,732.18 is: 3,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.58 : 5,311.77 = 2,732.18 : x
  2. Step 2: Convert to fraction form
    3,853.58/5,311.77 = 2,732.18/x
  3. Step 3: Cross multiply
    3,853.58x = 5,311.77 × 2,732.18
  4. Step 4: Simplify right side
    3,853.58x = 14,512,711.76
  5. Step 5: Solve for x
    x = 14,512,711.76/3,853.58
  6. Step 6: Final answer
    x = 3,766.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.