Home / 2,202.62-3,287.38-1,904.82

Finding the Fourth Proportional to 2,202.62, 3,287.38 and 1,904.82

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Solution

The fourth proportional to 2,202.62, 3,287.38 and 1,904.82 is: 2,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.62 : 3,287.38 = 1,904.82 : x
  2. Step 2: Convert to fraction form
    2,202.62/3,287.38 = 1,904.82/x
  3. Step 3: Cross multiply
    2,202.62x = 3,287.38 × 1,904.82
  4. Step 4: Simplify right side
    2,202.62x = 6,261,871.28
  5. Step 5: Solve for x
    x = 6,261,871.28/2,202.62
  6. Step 6: Final answer
    x = 2,842.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.