Home / 3,202.76-4,420.53-2,081.75

Finding the Fourth Proportional to 3,202.76, 4,420.53 and 2,081.75

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Solution

The fourth proportional to 3,202.76, 4,420.53 and 2,081.75 is: 2,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.76 : 4,420.53 = 2,081.75 : x
  2. Step 2: Convert to fraction form
    3,202.76/4,420.53 = 2,081.75/x
  3. Step 3: Cross multiply
    3,202.76x = 4,420.53 × 2,081.75
  4. Step 4: Simplify right side
    3,202.76x = 9,202,416.22
  5. Step 5: Solve for x
    x = 9,202,416.22/3,202.76
  6. Step 6: Final answer
    x = 2,873.28

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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.