Home / 3,857.58-5,323.44-2,089.22

Finding the Fourth Proportional to 3,857.58, 5,323.44 and 2,089.22

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Solution

The fourth proportional to 3,857.58, 5,323.44 and 2,089.22 is: 2,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.58 : 5,323.44 = 2,089.22 : x
  2. Step 2: Convert to fraction form
    3,857.58/5,323.44 = 2,089.22/x
  3. Step 3: Cross multiply
    3,857.58x = 5,323.44 × 2,089.22
  4. Step 4: Simplify right side
    3,857.58x = 11,121,837.32
  5. Step 5: Solve for x
    x = 11,121,837.32/3,857.58
  6. Step 6: Final answer
    x = 2,883.11

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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.