Home / 2,185.44-3,023.88-1,906.32

Finding the Fourth Proportional to 2,185.44, 3,023.88 and 1,906.32

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Solution

The fourth proportional to 2,185.44, 3,023.88 and 1,906.32 is: 2,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.44 : 3,023.88 = 1,906.32 : x
  2. Step 2: Convert to fraction form
    2,185.44/3,023.88 = 1,906.32/x
  3. Step 3: Cross multiply
    2,185.44x = 3,023.88 × 1,906.32
  4. Step 4: Simplify right side
    2,185.44x = 5,764,482.92
  5. Step 5: Solve for x
    x = 5,764,482.92/2,185.44
  6. Step 6: Final answer
    x = 2,637.68

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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.