Home / 3,820.96-5,273.04-2,701.60

Finding the Fourth Proportional to 3,820.96, 5,273.04 and 2,701.60

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Solution

The fourth proportional to 3,820.96, 5,273.04 and 2,701.60 is: 3,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.96 : 5,273.04 = 2,701.60 : x
  2. Step 2: Convert to fraction form
    3,820.96/5,273.04 = 2,701.60/x
  3. Step 3: Cross multiply
    3,820.96x = 5,273.04 × 2,701.60
  4. Step 4: Simplify right side
    3,820.96x = 14,245,644.86
  5. Step 5: Solve for x
    x = 14,245,644.86/3,820.96
  6. Step 6: Final answer
    x = 3,728.29

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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.